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  •  China "GB" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 11579-1989 Light weight type anchors

    China National - GB Standards
    GB/T 11578-1989 The landing boom for St. Lawrence seaway

    China National - GB Standards
    GB/T 11572-1989 Test methods of marine gearbox

    China National - GB Standards
    GB 11667-1989 Hygienic standard for inhalable particulate matter in ambient air of residential areas

    China National - GB Standards
    GB 11660-1989 Health protection zone standard for ironmaking plants

    China National - GB Standards
    GB 11659-1989 Health protection zone standard for lead storage battery plants

    China National - GB Standards
    GB 11657-1989 Health protection zone standardfor copper smeltery (closed blast furnace type)

    China National - GB Standards
    GB/T 11548-1989 Standard test method for impact resistance of rigid plastic sheeting by means of a tup (falling weight)

    China National - GB Standards
    GB 11719-1989 Health standard for solvent gasolines in the air of workplace

    China National - GB Standards
    GB 4285-1989 Standards for safety application of pesticides

    China National - GB Standards
    GB 11726-1989 Health standard for dusts of aluminium£¬aluminium oxide and aluminium alloys in the air of workplace

    China National - GB Standards
    GB 11725-1989 Health standard for dust containing more than 80% free silica in the air of workplace

    China National - GB Standards
    GB 11724-1989 Health standard for dust containing 50%”«80% free silica in the air of workplace

    China National - GB Standards
    GB 11723-1989 Health standard for 1£¬2-dichloroethane in the air of workplace

    China National - GB Standards
    GB 11722-1989 Health standard for vanadium and its compounds in the air of workplace

    China National - GB Standards
    GB 11721-1989 Health standard for ethylene oxide in the air of workplace

    China National - GB Standards
    GB 11720-1989 Health standard for trichlorfon in the air ofworkplace

    China National - GB Standards
    GB/T 11451-1989 Flexible waveguide assembly performance

    China National - GB Standards
    GB/T 11450.6-1989 Hollow metallic waveguides--Part 7:Relevant specifications for square waveguides

    China National - GB Standards
    GB/T 11450.5-1989 Hollow metallic waveguides--Part 6:Relevant specifications for medium flat rectangular waveguides

    China National - GB Standards
    GB/T 11450.4-1989 Hollow metallic waveguides--Part 4:Relevant specifications for circular waveguides

    China National - GB Standards
    GB/T 11450.3-1989 Hollow metallic waveguides--Part 3:Relevant specifications for flate rectangular waveguides

    China National - GB Standards
    GB/T 11449.5-1989 Flanges for waveguides--Part 6:Relevant specification for flanges for medium flat rectangular waveguides

    China National - GB Standards
    GB/T 11449.4-1989 Flanges for waveguides--Part 4:Relevant specification for flanges for circular waveguides

    China National - GB Standards
    GB/T 11449.3-1989 Flanges for waveguides--Part3:Relevant specification for flanges for flat rectangular waveguides

    China National - GB Standards
    GB/T 11449.2-1989 Flanges for waveguides--Part 2:Relevant specification for flanges for ordinary rectangular waveguides

    China National - GB Standards
    GB/T 11449.1-1989 Flanges for waveguides--Part 1:General requirements

    China National - GB Standards
    GB/T 11455-1989 Hearing aid equipment not entirely wornon the listener

    China National - GB Standards
    GB/T 11453-1989 Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions

    China National - GB Standards
    GB/T 11450.2-1989 Hollow metallic waveguides--Part 2:Relevant specifications for ordinary rectangular waveguides

    China National - GB Standards

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