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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "below" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/Z 41476.3-2022 Non destructive testing instruments - radiation protection rules for X-ray equipment below 1mV - Part 3: calculation formulas and charts for radiation protection of X-ray equipment below 450kv
    无损检测仪器 1MV以下X射线设备的辐射防护规则 第3部分:450kV以下X射线设备辐射防护的计算公式和图表
    China National Standards
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    GB/Z 41476.2-2022 Non destructive testing instruments - radiation protection rules for X-ray equipment below 1mV - Part 2: technical requirements for protection
    无损检测仪器 1MV以下X射线设备的辐射防护规则 第2部分:防护技术要求
    China National Standards
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    English PDF
    GB/T 41382-2022 Fire test open calorimeter method determination of heat release rate and combustion products in fire below 40mW
    火灾试验 开放式量热计法 40MW以下火灾热释放速率及燃烧产物的测定
    China National Standards
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    GB/T 38922-2020 General specification for 35kV and below voltage standardized protection equipment
    35kV及以下标准化继电保护装置通用技术要求
    China National Standards
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    GB/T 35710-2017 Rated power evaluation guide for 35kV and below power transformers
    35kV及以下电压等级电力变压器容量评估导则
    China National Standards
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    GB/T 30844.3-2017 Variable-frequency drive of 1kV and below—Part 3: Safety requiements
    1kV及以下通用变频调速设备 第3部分:安全规程
    China National Standards
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    GB 50053-2013 Code for design of 20KV and below substation
    20kV及以下变电所设计规范
    China National Standards
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    GB 50777-2012 Code for construction and acceptance of frame works in converter station at ±800KV and below
    ±800KV及以下换流站构支架施工及验收规范
    China National Standards
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    GB 50776-2012 Code for construction and acceptance of converter transformer in converter station at ±800KV and below
    ±800KV及以下换流站换流变压器施工及验收规范
    China National Standards
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    GB/T 50775-2012 Code for construction and acceptance of converter valve in converter station at ±800KV and below
    ±800KV及以下换流站换流阀施工及验收规范
    China National Standards
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    GB 50774-2012 Code for construction and acceptance of dry-type smoothing reactors in converter stations at ±800KV and below
    ±800KV及以下换流站干式平波电抗器施工及验收规范
    China National Standards
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    GB/T 30844.2-2014 Variable-frequency drive of 1kV and below—Part 2:Test methods
    1 kV及以下通用变频调速设备 第2部分:试验方法
    China National Standards
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    GB/T 30844.1-2014 Variable-frequency drive of 1 kV and below—Part 1: Technical conditions
    1 kV及以下通用变频调速设备 第1部分:技术条件
    China National Standards
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    GB/T 28509-2012 Ultrafine coaxial cables with insulation diameter below 1mm and cable assemblies
    绝缘外径在1mm以下的极细同轴电缆及组件
    China National Standards
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    GB/T 17562.8-2002 Rectangular connectors for frequencies below 3MHz--Part 8:Detail specification for connectors,four-signal contacts and earthing contacts for cable screen
    频率低于3 MHz的矩形连接器 第8部分:具有4个信号接触件和电缆屏蔽用接地接触件的连接器详细规范
    China National Standards
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    GB/T 17562.1-1998 Rectangular connectors for frequencies below 3 MHz--Part 1: Generic specification--General requirements and guide for the preparation of detail specifications for connectors with assessed quality
    频率低于3 MHz的矩形连接器 第1部分 总规范 一般要求和编制有质量评定要求的连接器详细规范的导则
    China National Standards
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    GB/T 15157-1994 Connectors for frequencies below 3MHz for use with printed boards--Part l:Generic specification--Gen-eral requirements and guide for the preparation of detail specifications, with assessedquality
    印制板用频率低于3 MHz的连接器 第1 部分:总规范 一般要求和编制有质量评定的详细规范的导则
    China National Standards
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    GB/T 15157.7-2002 Connectors for frequencies below 3MHz for use with printed boards--Part 7:Detail specification for connectors,8-way,including fixed and free connectors with common mating features,with assessed quality
    频率低于3 MHz的印制板连接器 第7部分:有质量评定的具有通用插合特性的8位固定和自由连接器详细规范
    China National Standards
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    GB/T 15157.2-2015 Connectors for frequencies below 3 MHz for use with printed boards—Part 2:Detail specification for two-part connectors with assessed quality,for printed boards,for basic grid of 2.54 mm with common mounting features
    印制板用频率低于3 MHz的连接器 第2部分:有质量评定的具有通用安装特征基本网格2.54 mm的印制板用两件式连接器详细规范
    China National Standards
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    GB/T 15157.2-1998 Connectors for frequencies below 3MHz for use with printed boards--Part 2:Detail specification for two-part connectors with assessed quality,for printed boards,for basic grid of 2.54 mm(0.1in) with commonmounting features
    印制板用频率低于3 MHz的连接器 第2部分:有质量评定的具有通用安装特征 基本网格2.54 mm(0.1in)的印制板用两件式连接器详细规范
    China National Standards
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    GB/T 15157.14-2007 Connectors for frequencies below 3 MHz for use with printed boards - Part 14: Detail specification for circular connectors for low-frequency audio and video applications such as audio, video and audio-visual equipment
    频率低于3MHz的印制板连接器 第14部分: 音频、视频和音像设备用低音频及视频圆形连接器详细规范
    China National Standards
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    GB/T 15157.12-2011 Connectors for frequencies below 3 MHz for use with printed boards - Part 12: Detail specification for dimensions, general requirements and tests for a range of sockets designed for use with integrated circuits
    频率低于3MHz的印制板连接器 第12部分:集成电路插座的尺寸、一般要求和试验方法详细规范
    China National Standards
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    GB/T 13461-2008 Modular below knee prosthesis
    组件式小腿假肢
    China National Standards
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    GB/T 10612-2003 Industrial plate screens--Thickness below 3 mm--Round and square holes
    工业用筛板 板厚<3 mm的圆孔和方孔筛板
    China National Standards
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