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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 223.37-1989 Methods for chemical analYSis of iron,steel and alloy--The indophenol blue photometric method for the determination of nitrogen content after distillation separation
    钢铁及合金化学分析方法 蒸馏分离-靛酚蓝光度法测定氮量

    YS-China National GB Standards

    GB/T 223.37-1989 Methods for chemical analYSis of iron,steel and alloy--The indophenol blue photometric method for the determination of nitrogen content after distillation separation
    钢铁及合金化学分析方法 蒸馏分离-靛酚蓝光度法测定氮量

    YS-China National GB Standards

    GB/T 223.19-1989 Methods for chemical analYSis of iron,steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content
    钢铁及合金化学分析方法 新亚铜灵-三氯甲烷萃取光度法测定铜量

    YS-China National GB Standards

    GB/T 223.17-1989 Methods for chemical analYSis of iron,steel and alloy--The diantipyryl methane photometric method for the determination of titanium content
    钢铁及合金化学分析方法 二安替比林甲烷光度法测定钛量

    YS-China National GB Standards

    GB/T 11113-1989 Analytical method for impurities in the synthetic quartz crYStal
    人造石英晶体中杂质的分析方法

    YS-China National GB Standards

    YDJ 44-1989 (Fiber-optic telecommunications network digital transmission sYStem construction and acceptance Interim technical requirements)

    YS-China Telecommunication Standards

    TB/T 2059.1-1989 (Railway locomotive cooling water additives analYSis. General Provisions)

    YS-China Railway & Train Standards

    GB/T 10585-1989 Fundamental requirements of excitation sYStems for medium and small synchronous machines
    中小型同步电机励磁系统基本技术要求

    YS-China National GB Standards

    JJG(SJ)01002-1989 (QF16101GAJF 5MHz voltage controlled crYStal oscillator verification procedures)

    YS-China Metrological Standards

    GB/T 1526-1989 Information processing--Documentation symbols and conventionsfor data, program and sYStem flowcharts, program network charts and system resources charts
    信息处理 数据流程图、程序流程图、系统流程图、程序网络图和系统资源图的文件编制符号及约定

    YS-China National GB Standards

    GB/T 1526-1989 Information processing--Documentation symbols and conventionsfor data, program and sYStem flowcharts, program network charts and system resources charts
    信息处理 数据流程图、程序流程图、系统流程图、程序网络图和系统资源图的文件编制符号及约定

    YS-China National GB Standards

    TB 2050.1-1989 (Ministry of RailwaYS rolling stock industry code of computer information systems. Personnel code)

    YS-China Railway & Train Standards

    TB 2050.2-1989 (Ministry of RailwaYS rolling stock industry code of computer information systems. Enterprise department code)

    YS-China Railway & Train Standards

    GB/T 11297.6-1989 Standard method for showing andmeasuring dislocation etch pits in indium antimonide single crYStal
    锑化铟单晶位错蚀坑的腐蚀显示及测量方法

    YS-China National GB Standards

    GB/T 223.17-1989 Methods for chemical analYSis of iron,steel and alloy--The diantipyryl methane photometric method for the determination of titanium content
    钢铁及合金化学分析方法 二安替比林甲烷光度法测定钛量

    YS-China National GB Standards

    GB/T 11299.7-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 2:Sub-sYStems measurements--Section three:Low noise amplifier
    卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第三节:低噪声放大器

    YS-China National GB Standards

    GB/T 11299.3-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-sYStems and combinations of sub-systems--Section three:Measurements in the i.f.range
    卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第三节:中频范围内的测量

    YS-China National GB Standards

    GB/T 11299.3-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-sYStems and combinations of sub-systems--Section three:Measurements in the i.f.range
    卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第三节:中频范围内的测量

    YS-China National GB Standards

    GB 11726-1989 Health standard for dusts of aluminium,aluminium oxide and aluminium alloYS in the air of workplace
    车间空气中铝、氧化铝、铝合金粉尘卫生标准

    YS-China National GB Standards

    GB/T 223.19-1989 Methods for chemical analYSis of iron,steel and alloy--The neocuproine-chloroform extraction photometric method for the determination of copper content
    钢铁及合金化学分析方法 新亚铜灵-三氯甲烷萃取光度法测定铜量

    YS-China National GB Standards


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