China National Standards

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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 "lay" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 18910.201-2021 Liquid crystal display devices—Part 20-1:Visual inspection—Monochrome liquid crystal display cells
    液晶显示器件 第20-1部分:目检 单色液晶显示屏
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    GB/T 18910.102-2021 Liquid crystal display devices—Part 10-2:Environmental, endurance and mechanical test methods—Environmental and endurance
    液晶显示器件 第10-2部分:环境、耐久性和机械试验方法 环境和耐久性
    China National Standards
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    GB/T 18910.101-2021 Liquid crystal display devices—Part 10-1:Environmental,endurance and mechanical test methods—Mechanical
    液晶显示器件 第10-1部分:环境、耐久性和机械试验方法 机械
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    GB/T 15972.49-2021 Specifications for optical fibre test methods—Part 49: Measurement methods and test procedures for transmission characteristics—Differential mode delay
    光纤试验方法规范 第49部分:传输特性的测量方法和试验程序 微分模时延
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    GB/T 18910.61-2021 Liquid crystal display devices—Part 6-1:Measuring methods for liquid crystal display devices—Photoelectric parameter
    液晶显示器件 第6-1部分:液晶显示器件测试方法 光电参数
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    GB/T 18910.203-2021 Liquid crystal display devices—Part 20-3:Visual inspection—Active matrix colour liquid crystal display modules
    液晶显示器件 第20-3部分:目检 有源矩阵彩色液晶显示模块
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    GB/T 40786.2-2021 Information technology—Telecommunications and information exchange between systems—Low voltage power line communication—Part 2: Data link layer specification
    信息技术 系统间远程通信和信息交换 低压电力线通信 第2部分:数据链路层规范
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    GB/T 40786.1-2021 Information technology—Telecommunications and information exchange between systems—Low voltage power line communication—Part 1: Physical layer specification
    信息技术 系统间远程通信和信息交换 低压电力线通信 第1部分:物理层规范
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    GB/T 40864-2021 Technical requirements for relaying protection of flexible alternating current transmission equipment connecting to the system
    柔性交流输电设备接入电网继电保护技术要求
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    GB/T 40837-2021 Feed safety evaluation—Code of practice for the feeding trial of layers
    畜禽饲料安全评价 蛋鸡饲养试验技术规程
    China National Standards
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    GB/T 39142.1-2020 Specification of plastic-steel bilayer self-lubricating materials—Part 1:Running-in layer with modified PTFE tape
    塑料-钢背二层粘接复合自润滑板材技术条件 第1部分:带改性聚四氟乙烯(PTFE)减摩层的板材
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    GB/T 5916-2020 Formula feeds for layers and broilers
    产蛋鸡和肉鸡配合饲料
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    GB/T 39039-2020 Evaluation method for hydrogen-induced delayed fracture of high strength steels
    高强度钢氢致延迟断裂评价方法
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    GB/T 14563-2020 Specification and test method of kaolin clay
    高岭土及其试验方法
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    GB/T 38953-2020 Technical requirements for relay protection of microgrid
    微电网继电保护技术规定
    China National Standards
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    GB/T 30269.809-2020 Information technology—Sensor networks—Part 809:Testing:Conformance testing for the network layer of wireless sensor networks based on IP protocol
    信息技术 传感器网络 第809部分:测试:基于IP的无线传感器网络网络层协议一致性测试
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    GB/T 38641-2020 Information technology—Telecommunications and information exchange between systems—Media access control and physical layer specifications for low power wide area network
    信息技术 系统间远程通信和信息交换 低功耗广域网媒体访问控制层和物理层规范
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    GB/T 38636-2020 Information security technology—Transport layer cryptography protocol(TLCP)
    信息安全技术 传输层密码协议(TLCP)
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    GB/T 38001.11-2020 Flexible display devices—Part 1-1: Terminology and letter symbols
    柔性显示器件 第1-1部分:术语与文字符号
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    GB/T 38001.62-2020 Flexible display devices—Part 6-2: Environmental testing methods
    柔性显示器件 第6-2部分:环境试验方法
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    GB 51423-2020 Standard for general layout design of ammunition factory
    弹药工厂总平面设计标准
    China National Standards
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    GB/T 39570-2020 Requirements for image display of electronic commerce transaction product
    电子商务交易产品图像展示要求
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    GB/T 39566-2020 Micro motors—Axial end play
    微电机 轴向间隙
    China National Standards
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    GB/T 17044-2020 Steel cord conveyor belts—Adhesion strength test of the cover to the core layer
    钢丝绳芯输送带 覆盖层与带芯层粘合强度试验
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    GB/T 39354-2020 Space data and information transfer systems—Proximity space link protocol—Physical layer
    空间数据与信息传输系统 邻近空间链路协议 物理层
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    GB/T 39353-2020 Space data and information transfer systems—Proximity space link protocol—Synchronization and coding sublayer
    空间数据与信息传输系统 邻近空间链路协议 同步和编码子层
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    GB/T 39352-2020 Space data and information transfer systems—Proximity space link protocol—Data link layer
    空间数据与信息传输系统 邻近空间链路协议 数据链路层
    China National Standards
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    GB/T 39245.2-2020 Grooved metal gaskets with covering layers for pipe flanges—Part 2:Class designated
    管法兰用金属齿形组合垫片 第2部分:Class 系列
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    GB/T 39245.1-2020 Grooved metal gaskets with covering layers for pipe flanges—Part 1:PN designated
    管法兰用金属齿形组合垫片 第1部分:PN 系列
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    GB/T 39472-2020 Performance requirements and test methods for BeiDou navigation satellite system signal record and playback devices
    北斗卫星导航系统信号采集回放仪性能要求及测试方法
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    GB/T 39334.2-2020 Digital simulation of mechanical products manufacturing process—Part 2: Requirements of production line planning and layout simulation
    机械产品制造过程数字化仿真 第2部分:生产线规划和布局仿真要求
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    GB/T 39248-2020 Thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for the transfer of hydrocarbons, solvents and chemicals—Specification
    输送液化石油气和液化天然气用热塑性塑料多层(非硫化)软管及软管组合件 规范
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    GB/T 39158-2020 High purity copper rotatable tube target for flat panel display
    平面显示用高纯铜旋转管靶
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    GB/T 38259-2019 Information technology—General specification for virtual reality head mounted display device
    信息技术 虚拟现实头戴式显示设备通用规范
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    GB/T 16915.4-2019 Switches for household and similar fixed-electrical installations—Part 2-3: Particular requirements for time delay switches (TDS)
    家用和类似用途固定式电气装置的开关 第2-3部分:延时开关(TDS)的特殊要求
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    GB/T 38259-2019 Information technology—General specification for virtual reality head mounted display device
    信息技术 虚拟现实头戴式显示设备通用规范
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    GB/T 16915.4-2019 Switches for household and similar fixed-electrical installations—Part 2-3: Particular requirements for time delay switches (TDS)
    家用和类似用途固定式电气装置的开关 第2-3部分:延时开关(TDS)的特殊要求
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    GB/T 38001.61-2019 Flexible display devices—Part 6-1: Mechanical stress test methods
    柔性显示器件 第6-1部分:机械应力试验方法
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    GB/T 37997-2019 Thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for the transfer of hydrocarbons, solvents and chemicals—Specification
    输送烃类、溶剂和化学品用多层热塑性塑料(非硫化)软管及软管组合件 规范
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    GB/T 37949-2019 Purity test method of small molecule materials applied in organic light emitting diode display (OLED)—High performance liquid chromatography (HPLC)
    有机发光二极管显示器用有机小分子发光材料纯度测定 高效液相色谱法
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    GB/T 37946-2019 Test method of thermal stability of materials for organic light emitting diode display (OLED)
    有机发光二极管显示器用材料热稳定性的测试方法
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    GB/T 37945-2019 Materials for organic light emitting diode display(OLED)—Test method of glass transfer temperature—Differential scanning calorimetry (DSC)
    有机发光二极管显示器用材料 玻璃化转变温度测试方法 差热法
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    GB/T 18910.62-2019 Liquid crystal display devices—Part 6-2: Measuring methods for liquid crystal display modules—Reflective type
    液晶显示器件 第6-2部分:液晶显示模块测试方法 反射型
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    GB/T 36628.3-2019 Information technology-Telecommunications and information exchange between systems-Visible light communication-Part 3:Specification of media access control and physical layer for high-rate visible light communication
    信息技术 系统间远程通信和信息交换 可见光通信 第3部分:高速可见光通信媒体访问控制和物理层规范
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    GB/T 36628.2-2019 Information technology-Telecommunications and information exchange between systems-Visible light communication-Part 2:Specification of media access control and physical layer for low-rate and narrowband visible light communication
    信息技术 系统间远程通信和信息交换 可见光通信 第2部分:低速窄带可见光通信媒体访问控制和物理层规范
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    GB/T 37594-2019 Technical specification for anti-UV three-layer external fusion powder coating corrosion protection for steel pipe
    钢质管道抗紫外线三层熔结粉末防腐外涂层技术规范
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    GB/T 37571-2019 Copper and copper alloy strip for relay
    继电器用铜及铜合金带
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    GB/T 37382-2019 Optical functional films—Films for backlight unit of liquid crystal display—High temperature and high humidity aging measurement
    光学功能薄膜 液晶显示背光模组用薄膜 高温高湿老化性能测定方法
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    GB/T 37549-2019 Technical code for relaying protection of generator-transformer unit in large capacity nuclear power plant
    大型核电发电机变压器组继电保护技术规范
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    GB/T 19704-2019 Display and record of hydrometrical instruments
    水文仪器显示与记录
    China National Standards
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    GB/T 37403-2019 Tetramethylammonium hydroxide developer for thin film transistor-liquid crystal display(TFT-LCD)
    薄膜晶体管液晶显示器(TFT-LCD)用四甲基氢氧化铵显影液
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    GB/T 34067.2-2019 In-home display terminal for smart-utilization power—Part 2:Data exchange
    户内智能用电显示终端 第2部分:数据交换
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    GB/T 31024.3-2019 Cooperative intelligent transportation systems—Dedicated short range communications—Part 3:Network layer and application layer specification
    合作式智能运输系统 专用短程通信 第3部分:网络层和应用层规范
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    GB/T 20851.5-2019 Electronic toll collection—Dedicated short range communication—Part 5:Test methods of the main parameters in physical layer
    电子收费 专用短程通信 第5部分:物理层主要参数测试方法
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    GB/T 20851.3-2019 Electronic toll collection—Dedicated short range communication—Part 3:Application layer
    电子收费 专用短程通信 第3部分:应用层
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    GB/T 20851.2-2019 Electronic toll collection—Dedicated short range communication—Part 2:Data link layer
    电子收费 专用短程通信 第2部分:数据链路层
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    GB/T 20851.1-2019 Electronic toll collection—Dedicated short range communication—Part 1:Physical layer
    电子收费 专用短程通信 第1部分:物理层
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    GB/T 37508-2019 Determination of preservatives in moulding clay—High performance liquid chromatography method
    造型黏土中防腐剂的测定 高效液相色谱法
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    GB/T 37020-2018 Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements—Medium access control and physical layer specification for video wireless personal area networks(VPAN
    信息技术-系统间远程通信和信息交换-局域网和城域网-特定要求-面向视频的无线个域网(VPAN)媒体访问控制和物理层规范
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    GB/T 30269.808-2018 Information technology—Sensor network—Part 808:Testing:Network layer and application support sublayer security for low-rate wireless sensor network
    信息技术-传感器网络-第808部分:测试:低速率无线传感器网络网络层和应用支持子层安全
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    GB/T 17215.676-2018 Electricity metering data exchange—The DLMS/COSEM suite—Part 76: The 3-layer, connection-oriented HDLC based communication profile
    电测量数据交换-DLMS/COSEM组件-第76部分:基于HDLC的面向连接的三层通信配置
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    GB/T 17215.653-2018 Electricity metering data exchange—The DLMS/COSEM suite—Part 53: DLMS/COSEM application layer
    电测量数据交换-DLMS/COSEM组件-第53部分:DLMS/COSEM-应用层
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    GB/T 17215.646-2018 Electricity metering data exchange—The DLMS/COSEM suite——Part 46:Data link layer using HDLC protocol
    电测量数据交换-DLMS/COSEM组件-第46部分:使用HDLC协议的数据链路层
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    GB/T 37093-2018 Information security technology—Security requirements for IoT sensing layer access to communication network
    信息安全技术-物联网感知层接入通信网的安全要求
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    GB/T 25121.3-2018 Railway applications—Rolling stock equipment—Capacitors for power electronics—Part 3:Electric double-layer capacitors
    轨道交通-机车车辆设备-电力电子电容器-第3部分:双电层电容器
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    GB/T 37219-2018 Safety requirements of inflatable play equipment
    充气式游乐设施安全规范
    China National Standards
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    GB/T 16430-2018 Determination of the minimum ignition temperature of dust layer
    粉尘层最低着火温度测定方法
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    GB/T 16427-2018 Determination for electrical resistivity of dust layers
    粉尘层电阻率测定方法
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    GB/T 31370.5-2018 Test method of flat panel display (FPD) color filters—Part 5: Contrast ratio
    平板显示器(FPD)彩色滤光片测试方法-第5部分:对比度
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    GB 50143-2018 Interval power line, substation (station) for TV differential turntable, relay station radio interference protection spacing standard
    架空电力线路、变电站(所)对电视差转台、转播台无线电干扰防护间距标准
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    GB/T 18840-2018 Inlay for bituminous waterproof sheets
    沥青防水卷材用胎基
    China National Standards
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    GB/T 36952-2018 Test method for surface scratch resistance of flat panel display(FPD)polarizing film
    平板显示器(FPD)偏光膜表面耐划伤性的测试方法
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    GB/T 20141-2018 Formed wire concentric lay overhead electrical stranded conductors
    型线同心绞架空导线
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    GB/T 36175-2018 Special design external micrometer with electronic digital display
    特殊结构的电子数显外径千分尺
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    GB/T 35088-2018 Plain bearings—Tin casting alloys for multilayer plain bearings
    滑动轴承 多层滑动轴承用锡基铸造合金
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    GB/T 36469-2018 Information technology—Telecommunications and information exchange between systems local and metropolitan area networks—Specific requirements—Medium access control (MAC) and physical layer (PHY) specification for Q frequency band ultra high speed wi
    信息技术 系统间远程通信和信息交换局域网和城域网 特定要求 Q波段超高速无线局域网媒体访问控制和物理层规范
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    GB/T 30269.303-2018 Information technology—Sensor networks—Part 303: Communication and information exchange: Network layer specification for wireless sensor networks based on IP protocol
    信息技术 传感器网络 第303部分:通信与信息交换:基于IP的无线传感器网络网络层规范
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    GB/T 20919-2018 External micrometer with electronic digital display
    电子数显外径千分尺
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    GB/T 22092-2018 Micrometer head and depth micrometer with electronic digital display
    电子数显测微头和深度千分尺
    China National Standards
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    GB/T 22093-2018 Internal micrometer with electronic digital display
    电子数显内径千分尺
    China National Standards
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    GB/T 36260-2018 Anti-glare and anti-reflective glass for electronic display
    电子显示用防眩减反射玻璃
    China National Standards
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    GB/T 36273-2018 Digital interface technical specification for relaying protection and security automatic equipment in smart substation
    智能变电站继电保护和安全自动装置数字化接口技术规范
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    GB/T 36454-2018 Information technology—Telecommunications and information exchange between systems—Medium access control and physical layer specifications for middle-high throughput wireless local area network
    信息技术 系统间远程通信和信息交换 中高速无线局域网媒体访问控制和物理层规范
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    GB/T 18978.16-2018 Ergonomic requirements for office work with visual display terminals (VDTs)—Part 16: Direct manipulation dialogue
    使用视觉显示终端(VDTs)办公的人类工效学要求 第16部分:直接操作对话
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    GB/T 36551-2018 Calculation methods for properties of concentric lay overhead electrical stranded conductors
    同心绞架空导线性能计算方法
    China National Standards
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    GB/T 36440-2018 Information technology—Telecommunications and information exchange between systems local and metropolitan area networks—Specific requirements—Low-rate wireless personal area network physical layer(PHY) specification for anti-interference
    信息技术 系统间远程通信和信息交换局域网和城域网 特定要求 抗干扰低速无线个域网物理层规范
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    GB/T 21711.7-2018 Electromechanical elementary relays—Part 7:Test and measurement procedures
    基础机电继电器 第7部分:试验和测量程序
    China National Standards
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    GB/T 36628.1-2018 Information technology—Telecommunications and information exchange between systems—Visible light communication—Part 1:General requirements of media access control and physical layer
    信息技术 系统间远程通信和信息交换 可见光通信 第1部分:媒体访问控制和物理层总体要求
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    GB/T 36640-2018 Solid-state relay
    固体继电器
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    GB/T 35927-2018 Standard practice for identification of polymer layers or inclusions by fourier transform infrared microspectroscopy
    傅里叶变换显微红外光谱法识别聚合物层或夹杂物的标准规程
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    GB/T 36048-2018 Passenger cars physical layer technical specification of CAN bus
    乘用车CAN总线物理层技术要求
    China National Standards
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    GB/T 17737.108-2018 Coaxial communication cables—Part 1-108: Electrical test methods—Test for characteristic impedance, phase and group delay, electrical length and propagation velocity
    同轴通信电缆 第1-108部分:电气试验方法 特性阻抗、相位延迟、群延迟、电长度和传播速度试验
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    GB/Z 35042-2018 Specifications for operation management of layer project
    蛋鸡产业项目运营管理规范
    China National Standards
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    GB/T 1179-2017 Round wire concentric lay overhead electrical stranded conductors
    圆线同心绞架空导线
    China National Standards
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    GB/T 34957-2017 Information technology—layout of digital keyboard for Korean letter
    信息技术 基于数字键盘的朝鲜文字母布局
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    GB/T 34951-2017 Information technology—layout of digital keyboard for Sibo letter
    信息技术 基于数字键盘的锡伯文字母布局
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    GB/T 34689-2017 Digital printing materials—Computer direct plate-making plate(CTP Plate)—Test of unit area mass of oxidation layer
    数字印刷材料 计算机直接制版版材(CTP版) 氧化层单位面积质量的测定
    China National Standards
    lay

    English PDF
    GB/T 14598.27-2017 Measuring relays and protection equipment—Part 27:Product safety requirements
    量度继电器和保护装置 第27部分:产品安全要求
    China National Standards
    lay

    English PDF
    GB/T 34871-2017 Inspection specification of protection relay in smart substationt
    智能变电站继电保护检验测试规范
    China National Standards
    lay

    English PDF
    GB/T 34991-2017 12.5kHz TDMA channel based professional digital trunking communication system—Technical specifications for physical layer and data link layer of air interface
    基于12.5kHz信道的时分多址(TDMA)专用数字集群通信系统 空中接口物理层及数据链路层技术规范
    China National Standards
    lay

    English PDF

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