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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 6567.4-2008 Technical drawings - Graphical symbols for piping sYStems - Valves and control components
    技术制图 管路系统的图形符号 阀门和控制元件

    YS-China National Standards

    GB/T 6567.3-2008 Technical drawings - Graphical symbols for piping sYStems - Piping accessories
    技术制图 管路系统的图形符号 管件

    YS-China National Standards

    GB/T 6567.2-2008 Technical drawings - Graphical symbols for piping sYStems - Piping
    技术制图 管路系统的图形符号 管路

    YS-China National Standards

    GB/T 6567.1-2008 Technical drawings - Graphical symbols for piping sYStems - Basic principles
    技术制图 管路系统的图形符号 基本原则

    YS-China National Standards

    YD/T 1838.1-2008 Technical Requirements of PhYSical Layer for the CDMA-based Digital Trunking Mobile Communication System

    YS-China Telecommunication Standards

    GB/T 6425-2008 Nomenclature for thermal analYSis
    热分析术语

    YS-China National Standards

    YD/T 1838.3-2008 Technical Requirements of Link Access Control (LAC) for the CDMA-based Digital Trunking Mobile Communication SYStem

    YS-China Telecommunication Standards

    GB/T 6150.1-2008 Methods for chemical analYSis of tungsten concentrates - Determination of tungsten trioxide content - The ammonium tungstate igniting gravimetric method
    钨精矿化学分析方法 三氧化钨量的测定 钨酸铵灼烧重量法

    YS-China National Standards

    YD/T 1839-2008 Test Specifications of Air Interface for the CDMA-based Digital Trunking Mobile Communication SYStem

    YS-China Telecommunication Standards

    GB/T 7352-2008 Electrical measuring sYStems and instruments utilizing ionizing radiation source
    利用电离辐射源的电测量系统和仪表

    YS-China National Standards

    YDC 014-2008 Technical Specification of Base Station SubsYStem (BSS) for 800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network

    YS-China Telecommunication Standards

    YDC 022-2008 Test Specification of Base Station SubsYStem (BSS) for 800MHz CDMA 1X Digital Cellular Mobile Telecommunication Network

    YS-China Telecommunication Standards

    GB/T 6150.7-2008 Methods for chemical analYSis of tungsten concentrates - Determination of tantalum content and niobium content - Inductively coupled plasma emission spectrometry and spectrophotometry
    钨精矿化学分析方法 钽铌量的测定 等离子体发射光谱法和分光光度法

    YS-China National Standards

    GB/T 6150.6-2008 Methods for chemical analYSis of tungsten concentrates - Determination hygroscopic moisture content - Gravimetric method
    钨精矿化学分析方法 湿存水量的测定 重量法

    YS-China National Standards

    GB/T 6150.5-2008 Methods for chemical analYSis of tungsten concentrates - Determination of calcium content - EDTA volumetric method and flame atomic absorption spectrometric method
    钨精矿化学分析方法 钙量的测定 EDTA容量法和火焰原子吸收光谱法

    YS-China National Standards

    GB/T 6150.4-2008 Methods for chemical analYSis of tungsten concentrates - Determination of sulfur content - The high frequency-infrared absorption method
    钨精矿化学分析方法 硫量的测定 高频红外吸收法

    YS-China National Standards

    GB/T 6150.2-2008 Methods for chemical analYSis of tungsten concentrates - Determination of tin content - The potassium iodate volumetry and hydrogenate atomic absorption spectrometry
    钨精矿化学分析方法 锡量的测定 碘酸钾容量法和氢化物原子吸收光谱法

    YS-China National Standards

    GB/T 6150.17-2008 Methods for chemical analYSis of tungsten concentrates - Determination of antimony content - Hydride reduction atomic absorption spectrometry
    钨精矿化学分析方法 锑量的测定 氢化物原子吸收光谱法

    YS-China National Standards

    GB/T 6150.15-2008 Methods for chemical analYSis of tungsten concentrates - Determination of bismuth content - Flame atomic absorption spectrometric method
    钨精矿化学分析方法 铋量的测定 火焰原子吸收光谱法

    YS-China National Standards

    GB/T 6150.14-2008 Methods for chemical analYSis of tungsten concentrates - Determination of manganese content - The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method
    钨精矿化学分析方法 锰量的测定 硫酸亚铁铵容量法和火焰原子吸收光谱法

    YS-China National Standards


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