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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
    JJF 1256-1990 (160 to 900 ml capacity reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1257-1990 (100 to 150 ml capacity reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1258-1990 (0.5 to 90 ml capacity reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1259-1990 (Density (alcohol) secondary standard operating technical specifications)

    JJ-China Metrological Standards

    JJF 1260-1990 (Dither reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1261-1990 (IF benchmark operating vibration specification)

    JJ-China Metrological Standards

    JJF 1262-1990 (IF secondary standard operating vibration specification)

    JJ-China Metrological Standards

    JJF 1250-1990 (Vickers hardness of secondary standard operating technical specifications)

    JJ-China Metrological Standards

    JJF 1229-1990 (1 × 10?~ 1 Pa vacuum reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1263-1990 (Low-level operation of the technical specifications to vibration benchmark)

    JJ-China Metrological Standards

    JJF 1219-1990 (273. 15 ~ 903. 89K secondary standard operating temperature specification)

    JJ-China Metrological Standards

    JJF 1220-1990 (903. 89 ~ 1337. 58K reference operating temperature specification)

    JJ-China Metrological Standards

    JJF 1221-1990 (903. 89 ~ 1337. 58K secondary standard operating temperature specification)

    JJ-China Metrological Standards

    JJF 1222-1990 Operating Technical Norm of Tempera-ture Primary Standard in the Range from 1337 to 2273 K

    JJ-China Metrological Standards

    JJF 1223-1990 (From 0. 1 to 10 MPa pressure reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1224-1990 (0 to 2500 Pa pressure reference operating technical specifications)

    JJ-China Metrological Standards

    JJF 1225-1990 (Water flow benchmark operating specification 1. 6 to 146 m3/h)

    JJ-China Metrological Standards

    JJF 1226-1990 (Technical Specification reference operating gas flow from 0. 3 to 3 cubic meters/time)

    JJ-China Metrological Standards

    JJF 1241-1990 (5 × 10?Cattle Bench operating torque specification)

    JJ-China Metrological Standards

    JJF 1228-1990 (Gas flow 30 to the reference operating Technical Specification 120 m3/h)

    JJ-China Metrological Standards


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