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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, Purchase services.
  •  China "YS" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
    GB/T 12690.3-2015 Chemical analYSis methods for non-rare earth impurity of rare earth metals and their oxides—Part 3: Determination of water content of rare earth oxides—Gravimetric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 第3部分:稀土氧化物中水分量的测定 重量法

    YS-China National GB Standards

    GB/T 5121.29-2015 Methods for chemical analYSis of copper and copper alloys—Part 29: Determination of aluminium oxide content
    铜及铜合金化学分析方法 第29部分:三氧化二铝含量的测定

    YS-China National Standards

    GB/T 32348.2-2015 Electrical resistance trace heating sYStems for industrial and commercial applications—Part 2: Application guide for system design, installation and maintenance
    工业和商业用电阻式伴热系统 第2部分:系统设计安装和维护应用指南

    YS-China National Standards

    GB/T 31404-2015 Technical specification for anticorrosion operation of seawater circulation sYStem in nuclear power plant
    核电站海水循环系统防腐蚀作业技术规范

    YS-China National Standards

    GB/T 5069-2015 Chemical analYSis of magnesia-alumina refractories
    镁铝系耐火材料化学分析方法

    YS-China National Standards

    GB/T 31967.1-2015 Test method for phYSical property of rare earth permanent magnetic materials—Part 1:Determination of temperature coefficient of magnetic flux
    稀土永磁材料物理性能测试方法 第1部分:磁通温度特性的测定

    YS-China National Standards

    GB/T 32348.1-2015 Electrical resistance trace heating sYStems for industrial and commercial applications — Part 1: General and testing requirements
    工业和商业用电阻式伴热系统 第1部分:通用和试验要求

    YS-China National Standards

    GB/T 32297-2015 Simulation requirements for space control sYStem
    航天控制系统仿真要求

    YS-China National Standards

    GB/T 14849.8-2015 Methods for chemical analYSis of silicon metal—Part 8: Determination of copper content—Atomic absorption spectrometric method
    工业硅化学分析方法 第8部分:铜含量的测定 原子吸收光谱法

    YS-China National GB Standards

    GB/T 32278-2015 Test methods for flatness of monocrYStalline silicon carbide wafers
    碳化硅单晶片平整度测试方法

    YS-China National Standards

    GB/T 31966-2015 Yttrium-aluminium alloYS
    钇铝合金

    YS-China National Standards

    SJ/T 11523-2015 (Line array speaker sYStem with speaker performance test methods)

    YS-China Electronics Standards

    GB/T 32282-2015 Test method for disoclation density of GaN single crYStal—Cathodoluminescence spectroscopy
    氮化镓单晶位错密度的测量 阴极荧光显微镜法

    YS-China National Standards

    GB/T 32286.1-2015 Soft magnetic alloYS—Part 1:Nickel-iron alloys
    软磁合金 第1部分:铁镍合金

    YS-China National Standards

    GB/T 32352-2015 Standard of acceptance for wind turbine generator sYStems used on plateau
    高原用风力发电机组现场验收规范

    YS-China National Standards

    GB/T 31990.2-2015 Technical specification for electric power information transmission sYStem on plastic optical fiber—Part 2: Transceiver communication unit
    塑料光纤电力信息传输系统技术规范 第2部分:收发通信单元

    YS-China National Standards

    JJF 1513-2015 Examination Specification for China Metrology Certification. CatalYSis Combustion Type Methane Measuring Devices

    YS-China Metrological Standards

    GB/T 31998-2015 Technical specification on softswitch sYStems of power industry
    电力软交换系统技术规范

    YS-China National Standards

    GB/T 31992-2015 Common alarm format for electric power sYStem
    电力系统通用告警格式

    YS-China National Standards

    SJ/T 11494-2015 Test methods for photoluminescence analYSis of single crystal silicon for III-V impurities

    YS-China Electronics Standards


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