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  •  China "GB" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 13820-1992 Magnesium alloy castings

    China National - GB Standards
    GB/T 1174-1992 cast bearing metals

    China National - GB Standards
    GB/T 13806.2-1992 Fasteners for fine mechanics--Cross recessed tapping screws--Scrape point

    China National - GB Standards
    GB/T 13806.1-1992 Fasteners for fine mechanics--Cross recessed screws

    China National - GB Standards
    GB/T 13747.9-1992 Zirconium and zirconium alloys--Determination of magnesium content--Flame absorption spectrometric method

    China National - GB Standards
    GB/T 13747.8-1992 Zirconium and zirconium alloys--Determination of cobalt content--1-Nitroso-2-hydroxy-3£¬6-naphthalene-disulfonic acid (sodium salt) spectrophotometric method

    China National - GB Standards
    GB/T 13747.7-1992 Zirconium and zirconium alloys--Determination of manganese content--Potassium periodate spectrophotometric method

    China National - GB Standards
    GB/T 13747.6-1992 Zirconium and zirconium alloys--Determination of copper content--2£¬9-Dimethyl-1£¬10-phenanthroline spectrophotometric method

    China National - GB Standards
    GB/T 13747.5-1992 Zirconium and zirconium alloys--Determination of aluminium content--Chrome azurol S spectrophotometric method

    China National - GB Standards
    GB/T 13747.4-1992 Zirconium and zirconium alloys--Determination of chromium content--Diphenylcarbazide spectrophoto-metric method

    China National - GB Standards
    GB/T 13747.3-1992 Zirconium and zirconium alloys--Determination of nickel content--Dimethylglyoxime spectrophoto-metric method

    China National - GB Standards
    GB/T 13747.24-1992 Zirconium and zirconium alloys--Determination of carbon content--Combustion coulometric method

    China National - GB Standards
    GB/T 13747.23-1992 Zirconium and zirconium alloys--Determination of nitrogen content--Distillation-Nessler reagent spectrophotometric method

    China National - GB Standards
    GB/T 13747.22-1992 Zirconium and zirconiumalloys--Determination of oxygen content--Inert gas fusion coulometric method

    China National - GB Standards
    GB/T 13747.2-1992 Zirconium and zirconium alloys--Determination of iron content--1£¬10-phenanthrolinespectrophoto-metric method

    China National - GB Standards
    GB/T 13747.21-1992 Zirconium and zirconium alloys--Determination of hydrogen content--Vacuum heating chromatographic method

    China National - GB Standards
    GB/T 13747.20-1992 Zirconium and zirconium alloys--Determination of hafnium content--Emission spectrographic method

    China National - GB Standards
    GB/T 13747.19-1992 Zirconium andzirconium alloys--Determination of titanium content--Diantipyrylmethane spectrophotometric method

    China National - GB Standards
    GB/T 13747.18-1992 Zirconium andzirconium alloys--Determination of vandium content--N-benzoyl-N-phenylhydroxylamine spectrophotometric method

    China National - GB Standards
    GB/T 13747.17-1992 Zirconium and zirconium alloys--Determination of cadmium content--Oscillopolarographic method

    China National - GB Standards
    GB/T 13747.16-1992 Zirconium and zirconium alloys--Determination of chloric content--Silver chloride nephelometry method

    China National - GB Standards
    GB/T 13747.15-1992 Zirconium and zirconium alloys--Determination of boron content--Curcumin spectrophotometric method

    China National - GB Standards
    GB/T 13747.14-1992 Zirconium and zirconiumalloys--Determination of uranium content--Catalytic-oscillopolarographic method

    China National - GB Standards
    GB/T 13747.13-1992 Zirconium and zirconium alloys--Determination of lead content--Oscillopolarographic method

    China National - GB Standards
    GB/T 13747.12-1992 Zirconium and zirconiumalloys--Determination of silicon content--Molybdenum blue spectrophotometric method

    China National - GB Standards
    GB/T 13747.1-1992 Zirconium and zirconium alloys--Determination of tin content

    China National - GB Standards
    GB/T 13747.11-1992 Zirconium and zirconium alloys--Determination of molybdenum content--Thiocyanate spectrophoto-metric method

    China National - GB Standards
    GB/T 13747.10-1992 Zirconium and zirconium alloys--Determination of tungsten content--Thiocyanate spectrophotometric method

    China National - GB Standards
    GB/T 13752-1992 Design rules for tower cranes

    China National - GB Standards
    GB/T 13757-1992 Packaging--Dimensions of sack transport packages

    China National - GB Standards

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