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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
    JJG 1024-1991 Technical Norm of Reliability AnalYSis Principle for Measuring Instruments

    YS-China Metrological Standards

    JJF 1029-1991 The Technical Norm for Development of Certified Reference Materied Used in Quantitative AnalYSis of Electron Microprobe

    YS-China Metrological Standards

    SJ/T 10087.3-1991 Methods for chemical analYSis of feldspar

    YS-China Electronics Standards

    SJ/T 10087.2-1991 Methods for chemical analYSis of dolomite

    YS-China Electronics Standards

    SJ/T 10133-1991 Detail specification for electronic components electromechanical all-or-nothing relaYS of assessed quality Test schedules 2. Model JQX-10F general purpose electromagnetic relays

    YS-China Electronics Standards

    SJ/T 10132-1991 Electrical relaYS--Contact performance of electrical relays

    YS-China Electronics Standards

    SJ/T 10100-1991 Wireless calling sYStem for Type 8409

    YS-China Electronics Standards

    JJF 1024-1991 Technical Norm of Reliability AnalYSis Principle for Measuring Instruments

    YS-China Metrological Standards

    SJ/T 10087.6-1991 Methods for chemical analYSis of cerium hydrate

    YS-China Electronics Standards

    GB/T 13300-1991 High resistance alloYS for electrical heating--Testing method for accelerated life
    高电阻电热合金快速寿命试验方法

    YS-China National GB 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 10087.8-1991 Methods for chemical analYSis of sodium pyroautimonate

    YS-China Electronics Standards

    SJ/T 10087.7-1991 Methods for chemical analYSis of Sodium fluorosilicate

    YS-China Electronics Standards

    SJ/T 10131-1991 Electrical relaYS--Part 14: Endurance tests for electrical relay contacts-preferred values for contact loads

    YS-China Electronics 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 10173-1991 TDA75 single crYStalline silicon solar cell

    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

    JJG 127-1991 (Flat dYSprosium type variable attenuator test procedures)

    YS-China Metrological Standards

    JJG 715-1991 Verification Regulation for Water. Quality Synthetical AnalYSe Instrument

    YS-China Metrological Standards

    JJG 735-1991 Verification Regulation of the Standard Dosimeter of Water Absorbed Dose for γ-RaYS (Radiation Processing Level)

    YS-China Metrological Standards


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