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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 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolYSis
    聚乙烯管材和管件炭黑含量的测定 热失重法

    YS-China National GB Standards

    SJ/T 10272-1991 Generic specification for nitrogen purifier in catalYSt absorption

    YS-China Electronics Standards

    GB/T 13031-1991 Marine a.c. electrical power sYStems with voltages in the range above 1kV upto and including 11kV
    电压为 1 kV以上至11 kV的船舶交流电力系统

    YS-China National GB Standards

    JJG(CB)04-1991 (Ultra-low-frequency hYSteresis loop tester test procedures)

    YS-China Metrological Standards

    JJG(QB)76-1991 (SCI. 327 quartz crYStal impedance meter SPM. 327PPM counter test procedures)

    YS-China Metrological Standards

    GB/T 1177-1991 Casting magnesium alloYS
    铸造镁合金

    YS-China National GB Standards

    GB/T 1177-1991 Casting magnesium alloYS
    铸造镁合金

    YS-China National GB Standards

    GB/T 12712-1991 The requirements for supervision of recovery of condensate from steam heating sYStem and technique ofautomatic steam traps
    蒸汽供热系统凝结水回收及蒸汽疏水阀技术管理要求

    YS-China National GB Standards

    SJ/T 10273-1991 Generic specification for hydrogen purifier in catalYSt absorption

    YS-China Electronics Standards

    GB/T 13021-1991 Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolYSis
    聚乙烯管材和管件炭黑含量的测定 热失重法

    YS-China National GB Standards

    GB/T 13169-1991 General specification for 4MHz (960ch) carrier sYStems on standardized 1.2/4.4 mm coaxial cable pairs
    标准1.2/4.4 mm同轴线对上4 MHz (960路)载波通信系统总技术要求

    YS-China National GB Standards

    GB/T 13297-1991 General rules for packaging, marking and certification of precision alloYS
    精密合金包装、标志和质量证明书的一般规定

    YS-China National GB Standards

    SJ/T 10148.3-1991 Preparation methods for electrical skeletons--SYStematic outline diagram

    YS-China Electronics Standards

    SJ/T 10171.12-1991 Quantitative analYSis of acetoxy in hydrate cellulose separator

    YS-China Electronics Standards

    GB/T 13247-1991 FerroalloYS--Sampling and testing methods for determination of grain size
    铁合金产品粒度的取样和检测方法

    YS-China National GB Standards

    SJ/T 10274-1991 Test methods of mask alignment and exposure sYStem

    YS-China Electronics Standards

    SJ/T 10015-1991 32kHz tuning fork quartz crYStal units for clocks and watches type JU38 and JU26

    YS-China Electronics Standards

    GB/T 13186-1991 General specification for airborne doppler navigation sYStems
    机载多普勒导航系统通用技术条件

    YS-China National GB Standards

    GB/T 13297-1991 General rules for packaging, marking and certification of precision alloYS
    精密合金包装、标志和质量证明书的一般规定

    YS-China National GB Standards

    GB/T 13169-1991 General specification for 4MHz (960ch) carrier sYStems on standardized 1.2/4.4 mm coaxial cable pairs
    标准1.2/4.4 mm同轴线对上4 MHz (960路)载波通信系统总技术要求

    YS-China National GB Standards


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