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    GB/T 12966-2022 The methods for determining aluminium and aluminium alloys conductivity using eddy current

    China National - GB Standards
    GB/T 12967.5-2022 Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys—Part 5:Assessment of resistance to cracking

    China National - GB Standards
    GB/T 12967.4-2022 Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys—Part 4: Determination of ultraviolet light and heat resistance

    China National - GB Standards
    GB/T 12967.3-2022 Test methods for anodic oxidation coatings and organic polymer coatings on aluminium and aluminium alloys—Part 3 : Salt spray test

    China National - GB Standards
    GB/T 33143-2022 Aluminium and aluminium alloy foils for lithium ion batteries

    China National - GB Standards
    GB/T 6609.30-2022 Chemical analysis methods and determination of physical performance of alumina—Part 30: Determination of trace elements—Wavelength dispersive X-ray fluorescence spectrometric method

    China National - GB Standards
    GB/T 24167-2022 Determination of chlorinated toluenes in dye products

    China National - GB Standards
    GB/T 19889.2-2022 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2 : Determination and application of measurement uncertainties

    China National - GB Standards
    GB/T 25747-2022 Magnesium alloy die castings

    China National - GB Standards
    GB/T 17445-2022 Cast grinding balls

    China National - GB Standards
    GB/T 30580-2022 The technical guide for the life assessment of main pressure parts of power plant boiler

    China National - GB Standards
    GB/T 17001.6-2022 Anti-counterfeiting printing ink—Part 6：Infrared excitation fluorescence anti-counterfeiting printing ink

    China National - GB Standards
    GB/T 41133-2022 Determination of lycopene, lutein and carotene in tomato products—Ultra performance liquid chromatography（UPLC） method

    China National - GB Standards
    GB/T 20720.3-2022 Enterprise-control system integration—Part 3: Activity models of manufacturing operations management

    China National - GB Standards
    GB/T 26722-2022 Steel wire ropes for ropeway

    China National - GB Standards
    GB/T 4333.8-2022 Ferrosilicon—Determination of calcium content—Flame atomic absorption spectrometry

    China National - GB Standards
    GB/T 1819.1-2022 Methods for chemical analysis of tin concentrates—Part 1：Determination of moisture content—Heat drying method

    China National - GB Standards
    GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys

    China National - GB Standards
    GB/T 13564-2022 Roller opposite forces type automobile brake tester

    China National - GB Standards
    GB/T 4296-2022 Inspection method for microstructure of wrought magnesium alloy

    China National - GB Standards
    GB/T 41240-2022 Test of household hybrid photovoltaic and storage converter

    China National - GB Standards
    GB/T 22762-2022 Built-in thermal protectors for electrical machines of household and similar use

    China National - GB Standards
    GB/T 22688-2022 Pressure-type temperature controls for household and similar use

    China National - GB Standards
    GB/T 22687-2022 Bimetal temperature controls for household and similar use

    China National - GB Standards
    GB/T 2480-2022 Conventional abrasive—Silicon carbide

    China National - GB Standards
    GB/T 2478-2022 Conventional abrasive—Brown fused alumina

    China National - GB Standards
    GB/T 41157.5-2022 Fasteners for nuclear power plants—Part 5：Acceptance inspection

    China National - GB Standards
    GB/T 41157.1-2022 Fasteners for nuclear power plants—Part 1：Bolts, screws and studs made of alloy steel

    China National - GB Standards
    GB/T 41157.2-2022 Fasteners for nuclear power plants—Part 2：Nuts made of carbon steel and alloy steel

    China National - GB Standards
    GB/T 41157.3-2022 Fasteners for nuclear power plants—Part 3：Bolts, screws and studs made of corrosion-resistant stainless steel

    China National - GB Standards

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