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China JJ GB Standards Search System  

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 "JJ" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
    JJG(EJ)23-1991 (γ logging tool verification procedures)

    JJ-China Metrological Standards

    JJG(EJ)22-1991 (γ-like instrument compiled admission test procedures)

    JJ-China Metrological Standards

    JJG(EJ)2-1991 (Radionuclide neutron source strength test procedures)

    JJ-China Metrological Standards

    JJG(EJ)1-1991 (Hydrogen proportional counter tube (working class) test procedures)

    JJ-China Metrological Standards

    JJG(EJ)20-1991 (Ground γ scintillation radiometer test procedures)

    JJ-China Metrological Standards

    JJG(EJ)7-1991 (The specific activity of test method 4Πβ-γ standard device for measuring radioactivity of the solution)

    JJ-China Metrological Standards

    JJG(EJ)18-1991 (Natural radioactivity measuring instrument calibration procedures General)

    JJ-China Metrological Standards

    JJG(EJ)21-1991 (Ground γ spectrometer test procedures)

    JJ-China Metrological Standards

    JJG(EJ)16-1991 (With grid ionization chamber standard device for measuring α planar surface emissivity source test methods)

    JJ-China Metrological Standards

    JJG(EJ)15-1991 (Protection level β dose rate meter verification procedures)

    JJ-China Metrological Standards

    JJG(EJ)14-1991 (Protection level X, γ dosimeter verification procedures)

    JJ-China Metrological Standards

    JJG(EJ)13-1991 (Test Method B specific activity was measured using a radioactive gas proportional counter 4πβ standard devices)

    JJ-China Metrological Standards

    JJG(EJ)12-1991 (Standard scintillation counter liquid measuring devices with a single tube specific activity of the radioactive solution test methods)

    JJ-China Metrological Standards

    JJG(EJ)11-1991 (Determination of α by 2π multi-wire proportional counter, β plane source emission rate test method)

    JJ-China Metrological Standards

    JJG(EJ)10-1991 (Standard grade germanium γ spectrometer punctate γ-ray source test methods)

    JJ-China Metrological Standards

    JJG(CB)7-1991 (Standard hydrophone vibration test method plume Act)

    JJ-China Metrological Standards

    JJG(CB)8-1991 (Underwater acoustic pulse tube measuring device test procedures)

    JJ-China Metrological Standards

    JJG(SY)17-1991 Verification Regulation of Dritling Fluid Rotary Viscosineter

    JJ-China Metrological Standards

    JJG(SJ)01006-1991 (PO20 timing of the receiver type and frequency calibration verification procedures)

    JJ-China Metrological Standards

    JJG(QB)79-1991 (Clock instrument calibrator test procedures)

    JJ-China Metrological Standards


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