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    • Standard  Code Standard English Title Standard Class Order
    GB/T 1927.4-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 4: Determination of moisture content

    China National - GB Standards
    GB/T 1927.3-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood

    China National - GB Standards
    GB/T 1927.2-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 2: Sampling methods and general requirements

    China National - GB Standards
    GB/T 1927.1-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 1: Collection of sample tree

    China National - GB Standards
    GB/T 41154-2021 Metallic materials—Multiaxial fatigue testing—Axial-torsional strain-controlled thermo-mechanical fatigue testing method

    China National - GB Standards
    GB/T 29722-2021 Commercial coal quality—Coal for entrained-flow gasification

    China National - GB Standards
    GB/T 23251-2021 Guideline for coal used in coal chemical technology

    China National - GB Standards
    GB/T 23810-2021 Commercial coal quality—Coal for direct liquefaction

    China National - GB Standards
    GB/T 8643-2021 Determination of lubricant content in lubricated metal-powder mixes—Soxhlet extraction method

    China National - GB Standards
    GB/T 41080-2021 Metallographic inspection method for molybdenum and molybdenum alloys

    China National - GB Standards
    GB/T 41029-2021 Specification for offshore well abandonment operation of oil & gas drilling

    China National - GB Standards
    GB/T 41087-2021 Technical specification for heat exchange system of solar thermal power plant

    China National - GB Standards
    GB/T 41211-2021 General specifications for moon and planetary in-situ spectral detection instrument

    China National - GB Standards
    GB/T 41209-2021 General specifications for laser rangefinder for lunar and planetary exploration

    China National - GB Standards
    GB/T 41215-2021 Space materials science experiment -- Ground-based matching test specification

    China National - GB Standards
    GB/T 9441-2021 Metallographic test method for spheroidal graphite cast iron

    China National - GB Standards
    GB/T 41155-2021 Sintered metal materials,excluding hardmetals—Fatigue test pieces

    China National - GB Standards
    GB/T 41125-2021 Agricultural machinery -- Equipment for sowing -- Minimization of the environmental effects of fan exhaust from pneumatic systems

    China National - GB Standards
    GB/T 41093-2021 Machine tools safety -- Turning machines

    China National - GB Standards
    GB/T 41140-2021 Analysis criterion for radiation source term of reactor core and spent fuel assembly in PWR nuclear power plant

    China National - GB Standards
    GB/T 5289.2-2021 Test conditions for testing the accuracy of boring and milling machines with horizontal spindle—Part 2：Machines with movable column and fixed table

    China National - GB Standards
    GB/T 41134.2-2021 Fuel cell power systems for industrial electric trucks -- Part 2: Performance test methods

    China National - GB Standards
    GB/T 41134.1-2021 Fuel cell power systems for industrial electric trucks -- Part 1: Safety

    China National - GB Standards
    GB/T 41068-2021 Nanotechnologies -- Determination of water-soluble anions content in graphene-related powder -- Ion chromatography method

    China National - GB Standards
    GB/T 41067-2021 Nanotechnologies -- Determination of sulfur, fluorine, chlorine and bromine content in graphene related powder -- Combustion ion chromatography method

    China National - GB Standards
    GB/T 41142-2021 Hardware design requirements of computer-based instrumentation and control systems important to safety for nuclear power plants

    China National - GB Standards
    GB/T 5204-2021 Periodic surveillance testing of the safety system of nuclear power plant

    China National - GB Standards
    GB/T 13627-2021 Criteria for accident monitoring instrumentation for nuclear power plants

    China National - GB Standards
    GB/T 13626-2021 Application of the single-failure criterion for nuclear power plant safety systems

    China National - GB Standards
    GB/T 41143-2021 Glossary of terms of instrumentation and control for nuclear power plants

    China National - GB Standards

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