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  •  China "GB" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 40319-2021 Wrought aluminum alloy sheets, strips and foils for drawn cans

    China National - GB Standards
    GB/T 40318-2021 Plastics！Environmental aspects！General guidelines for their inclusion in standards

    China National - GB Standards
    GB/T 40317-2021 Seamless stainless steel pipes for oxygen pipeline

    China National - GB Standards
    GB/T 40316-2021 Welded high strength shaped and round steel tubes for automobile structure

    China National - GB Standards
    GB/T 40315-2021 Plastics！Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at a constant value

    China National - GB Standards
    GB/T 40314-2021 Corrosion of metals and alloys！Crevice corrosion formers with disc springs for flat specimens or tubes made from stainless steel

    China National - GB Standards
    GB/T 40313-2021 Specification for wrought superalloy forging disks

    China National - GB Standards
    GB/T 40312-2021 Ferrophosphorus！Determination of phosphorus, silicon, manganese and titanium content！Wavelength dispersive X-ray fluorescence spectrometry method (fused cast bead method)

    China National - GB Standards
    GB/T 40311-2021 Vanadium slag！Determination of multi-element contents！Wavelength dispersive X-ray fluorescence spectrometry(fused cast bead method)

    China National - GB Standards
    GB/T 40309-2021 Electrical self-balancing vehicle！Electromagnetic compatibility！Emission and immunity requirements

    China National - GB Standards
    GB/T 40308-2021 Model and nomenclature for meteorological instruments

    China National - GB Standards
    GB/T 40305-2021 Field device integration！EDD and OPC UA integration technology specification

    China National - GB Standards
    GB/T 40304-2021 Determination of content of nonmetallic inclusions in steel！Billet full section method

    China National - GB Standards
    GB/T 40303-2021 General specification for GH4169 alloy bars

    China National - GB Standards
    GB/T 40302-2021 Plastics！Determination of burning behaviour of thin flexible vertical specimens in contact with a small-flame ignition source

    China National - GB Standards
    GB/T 40301-2021 Vanadium trioxide

    China National - GB Standards
    GB/T 40300-2021 Microbeam analysis！Analytical electron microscopy！Vocabulary

    China National - GB Standards
    GB/T 40299-2021 Corrosion of metals and alloys！Conventions applicable to electrochemical measurements in corrosion testing

    China National - GB Standards
    GB/T 40298-2021 Technical specification for disposal and recycling of slag from hot dip galvanizing of steel

    China National - GB Standards
    GB/T 40297-2021 Seamless austenitic stainless steel pipes for high pressure hydrogenation unit

    China National - GB Standards
    GB/T 40296-2021 Practical superconducting wires！Twist pitch measurement method of Nb-Ti and Nb3Sn composite superconductors

    China National - GB Standards
    GB/T 40293-2021 Test method for refractive index of infrared optical chalcogenide films

    China National - GB Standards
    GB/T 40283.3-2021 Automation systems and integration！Interoperability of capability units for manufacturing application solutions！Part 3:Verification and validation of interoperability among capability units

    China National - GB Standards
    GB/T 40282-2021 Hot-rolled twin roll cast steel sheets and strips of structural quality and high strength steel

    China National - GB Standards
    GB/T 40281-2021 Determination of content of nonmetallic inclusions in steel！Extremum analytical method

    China National - GB Standards
    GB/T 40280-2021 Plastics！Resins in the liquid state or as emulsions or dispersions！Determination of apparent viscosity using a single cylinder type rotational viscometer method

    China National - GB Standards
    GB/T 40279-2021 Test method for thickness of films on silicon wafer surface！Optical reflection method

    China National - GB Standards
    GB/T 40202-2021 Requirements for logistics information interchange in cross-border e-commerce

    China National - GB Standards
    GB/T 40065-2021 Specification for circular sharing management of fruit and vegetable cycling container

    China National - GB Standards
    GB/T 39907-2021 Dimensions and technical requirements of fruit and vegetable cycling container

    China National - GB Standards

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