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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 5121.22-2008 Methods for chemical analYSis of copper and copper alloys - Part 22:Determination of cadmium content
    铜及铜合金化学分析方法 第22部分:镉含量的测定

    YS-China National Standards

    GB/T 5121.23-2008 Methods for chemical analYSis of copper and copper alloys - Part 23:Determination of silicon content
    铜及铜合金化学分析方法 第23部分:硅含量的测定

    YS-China National Standards

    GB/T 5121.24-2008 Methods for chemical analYSis of copper and copper alloys - Part 24:Determination of selenium and tellurium content
    铜及铜合金化学分析方法 第24部分:硒、碲含量的测定

    YS-China National Standards

    GB/T 5121.25-2008 Methods for chemical analYSis of copper and copper alloys - Part 25: Determination of boron content
    铜及铜合金化学分析方法 第25部分 硼含量的测定

    YS-China National Standards

    TB/T 2499-2008 The data communication protocol of Train operation Dispatching Command SYStem

    YS-China Railway & Train Standards

    GB/T 4324.8-2008 Methods for chemical analYSis of tungsten - Determination of nickel content - The inductively coupled plasma atomic emission spectrometry 、 flame atomic absorption spectrometry and dimethylglyoxime gravimetry
    钨化学分析方法 镍量的测定 电感耦合等离子体原子发射光谱法、火焰原子吸收光谱法和丁二酮肟重量法

    YS-China National Standards

    GB/T 5121.26-2008 Methods for chemical analYSis of copper and copper alloys - Part 26:Determination of mercury content
    铜及铜合金化学分析方法 第26部分:汞含量的测定

    YS-China National Standards

    GB/T 5121.14-2008 Methods for chemical analYSis of copper and copper alloys - Part 14:Determination of manganese content
    铜及铜合金化学分析方法 第14部分:锰含量的测定

    YS-China National Standards

    GB/T 5121.13-2008 Methods for chemical analYSis of copper and copper alloys - Part 13:Determination of aluminium content
    铜及铜合金化学分析方法 第13部分:铝含量的测定

    YS-China National Standards

    GB/T 5121.12-2008 Methods for chemical analYSis of copper and copper alloys - Part 12:Determination of antimony content
    铜及铜合金化学分析方法 第12部分:锑含量的测定

    YS-China National Standards

    JJG(SJ)31011-2007 (DC / DC module parametric test sYStem test procedures)

    YS-China Metrological Standards

    GB/T 12152-2007 Water for boiler and cooling sYStem-Determination of mineral oil
    锅炉用水和冷却水中油含量的测定

    YS-China National GB Standards

    GB/T 12157-2007 Water for industrial circulating cooling sYStem and boiler -Determination of dissolved oxygen
    工业循环冷却水和锅炉用水中溶解氧的测定

    YS-China National GB Standards

    GB/T 12364-2007 Networking technical requirement for the Domestic(GSO/FSS) satellite communication sYStem
    国内卫星通信系统进网技术要求

    YS-China National GB Standards

    GB/T 12763.8-2007 Specifications for oceanographic survey - Part 8:marine geology and geophYSics survey
    海洋调查规范 第8部分: 海洋地质地球物理调查

    YS-China National GB Standards

    GB/T 12149-2007 Water for industrial circulating cooling sYStem and boiler - Determination of silica
    工业循环冷却水和锅炉用水中硅的测定

    YS-China National GB Standards

    GB/T 13310-2007 Electrodynamic vibration generator sYStems
    电动振动台

    YS-China National GB Standards

    JJG(JT)077-2007 Vehicle bearing road laser video distress detecting sYStem

    YS-China Metrological Standards

    JJG 678-2007 Verification Regulation of CatalYSis Combustion Type Methane Measuring Device

    YS-China Metrological Standards

    JJG 527-2007 Automatic Monitor SYStem for Vehicles Speeding

    YS-China Metrological Standards


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