中華人民共和國國家標準(中國大陸GB標準)英文版 |
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GB標準是中華人民共和國國家標準，也叫GB國標，是中國大陸強制執行的國家標準，所有中國大陸境內銷售的商品及提供服務都必須符合GB國家標準的要求，包括進口商品及服務； 本網站提供GB國家標準的查詢檢索，英文版翻譯，GB標準產品檢測檢驗及合規性分析服務； |
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GB/T 47778-2026 家用和类似用途电器 抗微生物性能耐久性试验导则（中英文版） Household and Similar Electrical Appliances—Guidelines for Testing the Durability of Antimicrobial Performance |
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GB/T 24986.7-2026 家用和类似用途电器可靠性试验及评价 第7部分：电坐便器便座的特殊要求（中英文版） Reliability Testing and Evaluation of Household and Similar Electrical Appliances—Part 7: Specific Requirements for Electric Toilet Seats |
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GB/T 24114.2-2026 机械电气设备 缝制机械数字控制系统 第2部分：数据字典（中英文版） Mechanical and Electrical Equipment—Digital Control Systems for Sewing Machines—Part 2: Data Dictionary |
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GB/T 20718.1-2026 道路车辆 牵引车和挂车之间的电连接器（13芯） 第1部分：12V13芯非涉水型（中英文版） Road Vehicles—Electrical Connectors Between Tractors and Trailers (13-pin)—Part 1: 12 V, 13-pin, Non-Submersible Type |
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GB/T 47710-2026 船舶和海上技术 船舶电伴热钢质门设计及试验要求（中英文版） Ship and Marine Technology: Design and Testing Requirements for Electrically Heated Steel Doors on Ships |
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GB/T 2522-2026 电工钢带(片)涂层绝缘电阻和附着性测试方法（中英文版） Test Methods for Insulation Resistance and Adhesion of Coated Electrical Steel Strips (Sheets) |
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GB/T 47435-2026 电气火灾监控综合处置平台通用技术条件（中英文版） General Technical Specifications for Integrated Electrical Fire Monitoring and Response Platforms |
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GB/T 47350-2026 电接触材料分类及判定（中英文版） Classification and Evaluation of Electrical Contact Materials |
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GB 31241.4-2026 电子电器用锂离子电池和电池组安全 第4部分：玩具（中英文版） Safety of Lithium-Ion Batteries and Battery Packs for Electronic and Electrical Equipment—Part 4: Toys |
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GB/Z 169-2026 医用电气系统 自适应外照射放射治疗系统的安全集成和操作指南（中英文版） Medical Electrical Systems: Safety Integration and Operating Guidelines for Adaptive External Beam Radiotherapy Systems |
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GB/T 18663.6-2026 电气和电子设备机械结构 公制系列和英制系列的试验 第6部分：户内机柜的安全要求（中英文版） Mechanical Structures of Electrical and Electronic Equipment—Tests for Metric and Imperial Series—Part 6: Safety Requirements for Indoor Enclosures |
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GB/T 40815.6-2026 电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 第6部分：户内机柜的空气再循环和旁路（中英文版） Mechanical Structures of Electrical and Electronic Equipment—Thermal Management for Cabinets Conforming to the Imperial and Metric Series—Part 6: Air Recirculation and Bypass for Indoor Cabinets |
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GB/T 38099.4-2026 废弃电器电子产品处理要求 第4部分：医疗服务设备（中英文版） Requirements for the Management of Waste Electrical and Electronic Equipment—Part 4: Medical Service Equipment |
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GB/T 38099.3-2026 废弃电器电子产品处理要求 第3部分：服务器（中英文版） Requirements for the Management of Waste Electrical and Electronic Equipment—Part 3: Servers |
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GB/T 47016-2026 超高清镜头物理及电气控制接口（中英文版） Physical and Electrical Control Interfaces for Ultra-High-Definition Lenses |
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GB/T 42558.5-2026 高原用换流站电气设备抗震技术 第5部分：设备运维导则（中英文版） Seismic Resistance Technology for Electrical Equipment in High-Altitude Converter Stations—Part 5: Guidelines for Equipment Operation and Maintenance |
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GB/T 46990-2025 混合动力汽车用双电层电容器电性能要求及试验方法（中英文版） Electrical Performance Requirements and Test Methods for Double-Layer Capacitors for Hybrid Electric Vehicles |
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GB/T 46890-2025 油气管道控制系统 - I/O接口电气防护应用要求（中英文版） Oil and Gas Pipeline Control System - I/O Interface Electrical Protection Application Requirements |
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GB/T 46822.2-2025 电气和电子设备用固定双电层电容器 - 第2部分：分规范 - 功率型双电层电容器（中英文版） Fixed Double-Layer Capacitors for Electrical and Electronic Equipment - Part 2: Sub-Specifications - Power Double-Layer Capacitors |
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GB/T 46822.1-2025 电气和电子设备用固定双电层电容器 - 第1部分：总规范（中英文版） Fixed Double-Layer Capacitors for Electrical and Electronic Equipment - Part 1: General Specifications |
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GB/T 32350.1-2025 轨道交通 - 绝缘配合 - 第1部分：基本要求 - 电工电子设备的电气间隙和爬电距离（中英文版） Rail Transit - Insulation Coordination - Part 1: Basic Requirements - Electrical Clearances and Creepage Distances for Electrical and Electronic Equipment |
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GB/T 29484.506-2025 船舶电气设备 - 第506部分：专辑 - 运载特定危险货物和散装危险物质的船舶（中英文版） Marine Electrical Equipment - Part 506: Special Issue - Ships Carrying Specific Dangerous Goods and Bulk Dangerous Substances |
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GB/T 25118-2025 轨道交通 - 机车车辆电气设备 - 电阻器（中英文版） Rail Transit - Locomotive and Rolling Stock Electrical Equipment - Resistors |
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GB/T 22200.5-2025 低压电器可靠性 - 第5部分：家用和类似用途的剩余电流动作断路器可靠性试验方法（中英文版） Low-Voltage Electrical Reliability - Part 5: Reliability Test Methods for Residual Current Operated Circuit Breakers for Household and Similar Applications |
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GB/T 22200.4-2025 低压电器可靠性 - 第4部分：家用及类似场所用过电流保护断路器的可靠性试验方法（中英文版） Low-Voltage Electrical Reliability - Part 4: Reliability Test Methods for Overcurrent Protection Circuit Breakers for Household and Similar Applications |
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GB/T 14048.16-2025 低压开关设备和控制设备 - 第8部分：旋转电机用装入式热保护 - （PTC）控制单元（中英文版） Low-Voltage Switchgear and Controlgear - Part 8: In-Plug Thermal Protection for Rotating Electrical Machines - (PTC) Control Units |
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GB/T 9706.266-2025 医用电气设备 - 第2-66部分:助听器及助听器系统的基本安全和基本性能专用要求（中英文版） Medical Electrical Equipment - Parts 2-66: Particular Requirements for Basic Safety and Performance of Hearing Aids and Hearing Aid Systems |
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GB/T 29484.503-2025 船舶电气设备 - 第503部分：专辑 - 电压1 - kV以上至不大于36 - kV的交流供电系统（中英文版） Electrical Equipment for Ships - Part 503: Series - AC Power Supply Systems with Voltage Not Less Than 1 kV and Not More Than 36 kV |
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GB/T 46476-2025 电工钢带和钢片几何特性的测量方法（中英文版） Measurement Methods for Geometric Characteristics of Electrical Steel Strips and Sheets |
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GB/T 46738-2025 家用和类似用途电器的安全使用年限 - 房间空气调节器的特殊要求（中英文版） Safety Service Life of Household and Similar Electrical Appliances - Particular Requirements for Room Air Conditioners |
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GB/T 29485-2025 船舶与海洋技术 - 电气舵角指示器（中英文版） Ship and Ocean Technology - Electrical Rudder Angle Indicators |
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GB/T 46737-2025 电工电子行业零碳工厂评价导则（中英文版） Guidelines for Evaluating Carbon-Neutral Factories in the Electrical and Electronic Industry |
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GB/T 46479-2025 电子电气产品与系统的温室气体减排量化指南（中英文版） Guidelines for Quantifying Greenhouse Gas Emissions Reduction in Electronic and Electrical Products and Systems |
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GB/T 8320-2025 铜钨及银钨电触头（中英文版） Copper-Tungsten and Silver-Tungsten Electrical Contacts |
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GB/T 10963.3-2025 电气附件 - 家用及类似场所用过电流保护断路器 - 第3部分：用于直流的断路器（中英文版） Electrical accessories - Overcurrent protective circuit-breakers for household and similar purposes - Part 3: Circuit-breakers for direct current |
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GB/T 19629-2025 医用电气设备 - X射线诊断影像中使用的电离室和（或）半导体探测器剂量计（中英文版） Medical Electrical Equipment - Ionization Chambers and/or Semiconductor Detector Dosimeters Used in X-ray Diagnostic Imaging |
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GB/T 20344-2025 农林拖拉机和机械 - 电力传输连接器（中英文版） Agricultural and Forestry Tractors and Machinery - Electrical Transmission Connectors |
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GB 46038-2025 工业机械电气设备及系统 - 安全要求（中英文版） Electrical Equipment and Systems for Industrial Machinery - Safety Requirements |
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GB/T 22939.8-2025 家用和类似用途电器包装 - 第8部分：集成电灶的特殊要求（中英文版） Packaging for Household and Similar Electrical Appliances - Part 8: Special Requirements for Integrated Electric Cooktops |
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GB/T 4706.129-2025 家用和类似用途电器的安全 - 第129部分：直流家用电器的特殊要求（中英文版） Safety of Household and Similar Electrical Appliances - Part 129: Particular Requirements for DC Household Appliances |
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GB/T 5169.36-2025 电工电子产品着火危险试验 - 第36部分：燃烧烟气流的腐蚀危害 - 试验方法概要和相关性（中英文版） Fire hazard tests for electrical and electronic products - Part 35: Corrosive effects of combustion smoke streams - Test method overview and relevance |
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GB/T 5169.35-2025 电工电子产品着火危险试验 - 第35部分：燃烧烟气流的腐蚀危害 - 总则（中英文版） Fire Hazard Tests for Electrical and Electronic Products - Part 35: Corrosive Effects of Combustion Fumes - General Principles |
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GB/T 21551.8-2025 家用和类似用途电器的抗菌、除菌、净化功能 - 第8部分：储水式电热水器的特殊要求（中英文版） Antibacterial, Sterilizing, and Purifying Functions of Household and Similar Electrical Appliances - Part 8: Specific Requirements for Storage-Type Electric Water Heaters |
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GB/T 16895.38-2025 低压电气装置 - 第5-57部分：电气设备的选择和安装 - 固定型蓄电池组的安装（中英文版） Low-voltage electrical installations - Part 5-57: Selection and installation of electrical equipment - Installation of fixed battery banks |
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GB/T 13850-2025 交流电量和直流电量转换为模拟信号或数字信号的电测量变送器（中英文版） Electrical Measurement Transmitters for Converting AC and DC Quantities to Analog or Digital Signals |
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GB/T 33708.2-2025 直流电能测量设备 - 第2部分：间接接入静止式电能表（0.2级、0.5级和1级）（中英文版） DC electrical energy measuring equipment - Part 2: Indirectly connected static energy meters (Class 0.2, 0.5, and 1) |
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GB/T 11026.8-2025 电气绝缘材料 - 耐热性 - 第8部分：用固定时限法确定绝缘材料的耐热指数（TI和RTI）（中英文版） Electrical Insulating Materials - Heat Resistance - Part 8: Determination of Thermal Index (TI) and Relative Temperature Index (RTI) of Insulating Materials Using Fixed-Time Method |
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GB/T 46287-2025 家用和类似用途电器用户体验设计评价规范（中英文版） Evaluation Specification for User Experience Design of Household and Similar Electrical Appliances |
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GB/T 22766.11-2025 家用和类似用途电器售后服务 - 第11部分：中央电暖系统的特殊要求（中英文版） After-Sales Service for Household and Similar Electrical Appliances - Part 11: Special Requirements for Central Electric Heating Systems |
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GB/T 11918.2-2025 工业用插头、固定式或移动式插座和器具输入插座 - 第2部分：带插销和插套的电器附件的尺寸兼容性要求（中英文版） Industrial Plugs, Fixed or Portable Sockets, and Appliance Input Sockets - Part 2: Dimensional Compatibility Requirements for Electrical Accessories with Pins and Sockets |
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GB/T 22766.12-2025 家用和类似用途电器售后服务 - 第12部分：电坐便器的特殊要求（中英文版） After-Sales Service for Household and Similar Electrical Appliances - Part 12: Special Requirements for Electric Toilets |
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GB/T 5962-2025 NIM标准仪器系统 - 机械尺寸、电源和电气信号要求（中英文版） NIM Standard Instrument System - Mechanical Dimensions, Power Supply, and Electrical Signal Requirements |
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GB/T 20637-2025 船舶电气装置 - 船用和海上设施用电力、控制和仪表电缆一般结构和试验方法（中英文版） Electrical Installations on Ships - General Construction and Test Methods for Power, Control, and Instrumentation Cables for Ships and Offshore Installations |
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GB/T 13029.1-2025 船舶电气装置 - 第1部分：电缆的选择和安装（中英文版） Electrical Installations on Ships - Part 1: Selection and Installation of Cables |
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GB/T 3048.8-2025 电线电缆电性能试验方法 - 第8部分：交流电压试验（中英文版） Electrical Performance Test Methods for Wires and Cables - Part 8: AC Voltage Test |
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GB/T 3048.13-2025 电线电缆电性能试验方法 - 第13部分：冲击电压试验（中英文版） Electrical Performance Test Methods for Wires and Cables - Part 13: Impulse Voltage Test |
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GB/T 3048.12-2025 电线电缆电性能试验方法 - 第12部分：局部放电试验（中英文版） Electrical Performance Test Methods for Wires and Cables - Part 12: Partial Discharge Test |
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GB/T 3048.11-2025 电线电缆电性能试验方法 - 第11部分：介质损耗角正切试验（中英文版） Electrical Performance Test Methods for Wires and Cables - Part 11: Tangent of Dielectric Loss Test |
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GB/T 33596-2025 船舶电气装置 - 船用和海上设施用电力、控制、仪表和通信电缆绝缘和护套材料（中英文版） Electrical Installations on Ships - Insulation and Sheathing Materials for Power, Control, Instrumentation, and Communication Cables for Marine and Offshore Installations |
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GB/T 18268.21-2025 测量、控制和实验室用的电设备 - 电磁兼容性要求 - 第21部分：特殊要求 - 无电磁兼容防护场合用敏感性试验和测量设备的试验配置、工作条件和性能判据（中英文版） Electrical Equipment for Measurement, Control, and Laboratory Use - Electromagnetic Compatibility Requirements - Part 21: Particular Requirements - Test Arrangements, Operating Conditions, and Performance Criteria for Sensitivity Test and Measurement Equi |
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GB/T 42125.13-2025 测量、控制和实验室用电气设备的安全要求 - 第13部分：实验室用热原子化和离子化的原子光谱仪的特殊要求?（中英文版） Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use - Part 13: Particular Requirements for Laboratory Atomic Spectrometers with Thermal Atomization and Ionization |
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GB/T 4706.127-2025 家用和类似用途电器的安全 - 第127部分：水暖毯、水暖褥垫及类似器具的特殊要求（中英文版） Safety of Household and Similar Electrical Appliances - Part 127: Particular Requirements for Electric Blankets, Mattress Pads and Similar Appliances |
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GB/T 4706.128-2025 家用和类似用途电器的安全 - 第128部分：新风净化机的特殊要求（中英文版） Safety of Household and Similar Electrical Appliances - Part 128: Particular Requirements for Air Purifiers |
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GB/T 46151-2025 电梯、自动扶梯和自动人行道的电气要求-信息传输与控制安全?（中英文版） Electrical Requirements for Elevators, Escalators, and Moving Walkways - Information Transmission and Control Safety |
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GB/T 46134-2025 天然酯-在电气设备中的维护和使用导则（中英文版） Natural Esters - Guidelines for Maintenance and Use in Electrical Equipment |
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GB/T 4214.20-2025 家用和类似用途电器噪声测试方法-第20部分：房间空气调节器的特殊要求（中英文版） Household and Similar Electrical Appliances Noise Test Methods Part 20: Special Requirements for Room Air Conditioners |
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GB/T 4214.19-2025 家用和类似用途电器噪声测试方法 - 第19部分：加湿器的特殊要求（中英文版） Household and Similar Electrical Appliances Noise Test Methods Part 19: Special Requirements for Humidifiers |
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GB/T 5169.1-2025 电工电子产品着火危险试验 - 第1部分：着火试验术语（中英文版） Fire Hazard Testing of Electrical and Electronic Products Part 1: Terminology for Ignition Tests |
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GB/T 3048.4-2025 电线电缆电性能试验方法 - 第4部分：导体直流电阻试验（中英文版） Electrical Performance Test Methods for Wires and Cables - Part 4: DC Resistance Testing of Conductors |
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GB/T 42125.6-2025 测量、控制和实验室用电气设备的安全要求 - 第6部分：试验或测量电路设备的特殊要求（中英文版） Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use - Part 6: Special Requirements for Test or Measuring Circuit Equipment |
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GB/T 42125.15-2025 测量、控制和实验室用电气设备的安全要求 - 第15部分：柜式X射线系统的特殊要求（中英文版） Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use Part 15: Special Requirements for Cabinet-Type X-Ray Systems |
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GB/T 42125.9-2025 测量、控制和实验室用电气设备的安全要求 - 第9部分：能测量电网电源电压的家用和专业用手持万用表和其他仪表的特殊要求（中英文版） Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use Part 9: Special Requirements for Household and Professional Handheld Multimeters and Other Instruments Capable of Measuring Grid Power Supply Voltage |
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GB/T 46041-2025 温室气体 - 产品碳足迹量化方法与要求 - 电子电器（中英文版） Greenhouse Gases - Product Carbon Footprint Quantification Method and Requirements - Electrical and Electronic Equipment |
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GB/T 45991-2025 家用和类似用途电器通信质量评价规范（中英文版） Communication Quality Evaluation Specification for Household and Similar Electrical Appliances |
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GB/T 45990.1-2025 家用和类似用途电器数字化仿真试验-第1部分：通用要求（中英文版） Digital Simulation Testing for Household and Similar Electrical Appliances - Part 1: General Requirements |
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GB/T 45797-2025 道路车辆-低压电气系统性能要求及试验方法（中英文版） Road Vehicles - Performance Requirements and Test Methods for Low-Voltage Electrical Systems |
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GB/T 33014.4-2025 道路车辆-电气/电子部件对窄带辐射电磁能的抗扰性试验方法-第4部分：线束激励法（中英文版） Road Vehicles - Test Methods for Immunity of Electrical/Electronic Components to Narrowband Radiated Electromagnetic Energy - Part 4: Wire Beam Excitation Method |
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GB/T 33014.2-2025 道路车辆-电气/电子部件对窄带辐射电磁能的抗扰性试验方法-第2部分：电波暗室法（中英文版） Road Vehicles - Test Methods for Immunity of Electrical/Electronic Components to Narrowband Radiated Electromagnetic Energy - Part 2: Anechoic Chamber Method |
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GB/T 21551.7-2025 家用和类似用途电器的抗菌、除菌、净化功能-第7部分：电坐便器便座的特殊要求（中英文版） Antibacterial, Sterilization, and Purification Functions of Household and Similar Electrical Appliances - Part 7: Electric Toilets Special Requirements for Seats |
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GB/T 20716.2-2025 道路车辆-牵引车和挂车之间的电连接器（7芯）第2部分：12-V标称电压车辆的制动系统和行走系的连接（中英文版） Road Vehicles - Electrical Connectors (7-Pin) Between Tractors and Trailers - Part 2: Braking and Running System Connections for Vehicles with a 12-V Nominal Voltage |
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GB/T 20716.1-2025 道路车辆-牵引车和挂车之间的电连接器（7芯）第1部分：24-V标称电压车辆的制动系统和行走系的连接（中英文版） Road Vehicles - Electrical Connectors (7-Pin) Between Tractors and Trailers - Part 1: Braking and Running System Connections for Vehicles with a 24-V Nominal Voltage |
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GB/T 20643.2-2025 特殊环境条件-环境试验方法-第2部分：人工模拟试验方法及导则-电工电子产品（含通信产品）（中英文版） Special environmental conditions - Environmental test methods - Part 2: Artificial simulation test methods and guidelines - Electrical and electronic products (including communications products) |
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GB/T 18268.22-2025 测量、控制和实验室用的电设备-电磁兼容性要求-第22部分：特殊要求-低压配电系统用便携式试验、测量和监控设备的试验配置、工作条件和性能判据（中英文版） Electrical Equipment for Measurement, Control, and Laboratory Use - Electromagnetic Compatibility Requirements - Part 22: Particular Requirements - Test Configuration, Operating Conditions, and Performance Criteria for Portable Test, Measuring, and Monito |
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GB/T 10593.5-2025 电工电子产品环境参数测量方法-第5部分：腐蚀性气体（中英文版） Methods for Measurement of Environmental Parameters for Electrical and Electronic Products - Part 5: Corrosive Gases |
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GB/T 10593.4-2025 电工电子产品环境参数测量方法-第4部分：凝露（中英文版） Methods for Measurement of Environmental Parameters for Electrical and Electronic Products - Part 4: Condensation |
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GB/T 4772.1-2025 旋转电机尺寸和输出功率等级-第1部分:机座号56～400和凸缘号55～1080（中英文版） Dimensions and output power ratings of rotating electrical machines - Part 1: Frame sizes 56 to 400 and flange sizes 55 to 1080 |
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GB/T 4706.126-2025 家用和类似用途电器的安全-第126部分：葡萄酒保鲜分酒机的特殊要求（中英文版） Safety of household and similar electrical appliances - Part 126: Particular requirements for wine dispensers |
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GB/T 2900.73-2025 电工术语-第73部分：接地与电击防护（中英文版） Electrical terminology - Part 73: Grounding and protection against electric shock |
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GB/T 755-2025 旋转电机-定额与性能（中英文版） Rotating Electrical Machines - Ratings and Performance |
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GB 26572-2025 电器电子产品有害物质限制使用要求（中英文版） Requirements for the Restriction of Hazardous Substances in Electrical and Electronic Products |
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GB 2536-2025 电工流体-变压器和开关用的未使用过的矿物绝缘油（中英文版） Electrical Fluids - Unused Mineral Insulating Oils for Transformers and Switches |
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GB/T 45946-2025 家用和类似用途电器用微晶面板（中英文版） Microcrystalline Panels for Household and Similar Electrical Appliances |
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GB/T 45945-2025 家用和类似用途电器中功能材料测试与评价指南（中英文版） Guidelines for Testing and Evaluation of Functional Materials in Household and Similar Electrical Appliances |
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GB/T 18268.1-2025 测量、控制和实验室用的电设备-电磁兼容性要求-第1部分：通用要求（中英文版） Electrical Equipment for Measurement, Control, and Laboratory Use - Electromagnetic Compatibility Requirements - Part 1: General Requirements |
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GB/T 21097-2025 家用和类似用途电器的安全使用年限和再生利用通则（中英文版） General Rules for Safe Service Life and Recycling of Household and Similar Electrical Appliances |
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GB/T 45827-2025 低压电气设备协同安全系统风险评估和降低指南（中英文版） Ventilation Coordinated Safety System for Low-Voltage Electrical Equipment Risk Assessment and Reduction Guidelines |
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GB/T 14711-2025 中小型旋转电机通用安全要求（中英文版） General Safety Requirements for Small and Medium-Sized Rotating Electrical Machines |
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GB/T 18501.8100-2025 电子和电气设备用连接器-产品要求-第8-100部分：电源连接器-2芯、3芯20-A功率加2芯信号塑料外壳屏蔽密封连接器详细规范（中英文版） Connectors for Electronic and Electrical Equipment - Product Requirements - Part 8-100: Power Connectors - Detail Specification for 2-Pin and 3-Pin 20-A Power Plus 2-Pin Signal Connectors, Plastic Housing, Shielded and Sealed |
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GB/T 18501.8101-2025 电子和电气设备用连接器-产品要求-第8-101部分：电源连接器-2芯、3芯40-A功率加2芯信号塑料外壳屏蔽密封连接器详细规范（中英文版） Connectors for Electronic and Electrical Equipment - Product Requirements - Part 8-101: Power Connectors - Detail Specification for 2-Pin and 3-Pin 40-A Power Plus 2-Pin Signal Connectors, Plastic Housing, Shielded and Sealed |
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GB/T 4214.21-2025 家用和类似用途电器噪声测试方法-第21部分：口腔卫生器具的特殊要求（中英文版） Noise Test Methods for Household and Similar Electrical Appliances - Part 21: Particular Requirements for Oral Hygiene Appliances |
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