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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 "JJ" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
    JJG 457-1986 Verification regulation of single tube mercury manometer

    JJ-China Metrological Standards

    JJG 455-1986 (Chinese Industry Standard)

    JJ-China Metrological Standards

    JJG 454-1986 Verification regulation of spherical indenters for hardness testers

    JJ-China Metrological Standards

    JJG 453-1986 Verification Regulation of Reflecting Colour Standard Plates

    JJ-China Metrological Standards

    JJG 45-1986 (Vertical and horizontal optical meter verification procedures)

    JJ-China Metrological Standards

    JJG 451-1986 Verification regulation of standardmeter for store liquid

    JJ-China Metrological Standards

    JJG 450-1986 Verification regulation of fruit pressure tester

    JJ-China Metrological Standards

    JJG 452-1986 Verification Regulation of Standard of Black-White Photographic Density Tablet

    JJ-China Metrological Standards

    JJG 458-1986 (Chinese Industry Standard)

    JJ-China Metrological Standards

    JJG 449-1986 (Chinese Industry Standard)

    JJ-China Metrological Standards

    JJG 387-1985 Verification Regulation of Attenuator in Frequency Band 10MHZ~18GHz

    JJ-China Metrological Standards

    JJG 377-1985 (Chinese Industry Standard)

    JJ-China Metrological Standards

    JJG 380-1985 (Chinese Industry Standard)

    JJ-China Metrological Standards

    JJG 383-1985 Verification Regulation of the Spectral Radiance Standard Lamp

    JJ-China Metrological Standards

    JJG 384-1985 Verification Regulation of the Spectral Irradiance Standard Lamp

    JJ-China Metrological Standards

    JJG 385-1985 Verification Regulation of Standard Fluorescent Lamps for Total Luminous Flux

    JJ-China Metrological Standards

    JJG 386-1985 Verification regulation of standard fluorescent high pressure mercury vapour lamps for totel lumious flux

    JJ-China Metrological Standards

    JJG 376-1985 Verification Regulation for Electrolytic Conductance Meter

    JJ-China Metrological Standards

    JJG 388-1985 (Trial audiometer test procedures)

    JJ-China Metrological Standards

    JJG 15-1985 (Fixed lever scales verification procedures)

    JJ-China Metrological Standards


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