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    • Standard  Code Standard English Title Standard Class Order
    GB/T 13747.10-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 10: Determination of tungsten content - Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry

    China National - GB Standards
    GB/T 13747.9-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 9: Determination of magnesium content - flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry

    China National - GB Standards
    GB/T 6150.17-2022 Methods for chemical analysis of tungsten concentrates - Part 17: Determination of antimony content - Atomic fluorescence spectrometry

    China National - GB Standards
    GB/T 6150.13-2022 Methods for chemical analysis of tungsten concentrates - Part 13: Determination of arsenic content - Atomic fluorescence spectrometry and DDTC-Ag spectrophotometry

    China National - GB Standards
    GB/T 6150.2-2022 Methods for chemical analysis of tungsten concentrates - Part 2: Determination of tin content - Potassium iodate titration and inductively coupled plasma atomic emission spectrometry

    China National - GB Standards
    GB/T 41855-2022 Small amusement equipment swivel chair

    China National - GB Standards
    GB/T 41776-2022 Forensic Science Ammunition Identification Methods

    China National - GB Standards
    GB/T 41777-2022 Forensic Science - Test Method for Explosive Power of Explosives

    China National - GB Standards
    GB/T 41774-2022 Forensic Science Explosive Device Identification Protocol

    China National - GB Standards
    GB/T 41846-2022 Forensic Science Pyrotechnics Appraisal Regulations

    China National - GB Standards
    GB/T 41845-2022 Forensic Science - Protocols for the Identification of Gunpowder and Explosives

    China National - GB Standards
    GB/T 41775-2022 Forensic Science Explosives Identification Terminology

    China National - GB Standards
    GB/T 41841-2022 Functional assessment of forearm prosthesis

    China National - GB Standards
    GB/T 5686.4-2022 Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of phosphorus content Molybdenum blue spectrophotometry and bismuth phosphorus molybdenum blue spectrophotometry

    China National - GB Standards
    GB/T 5686.2-2022 Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese-silicon content Molybdenum blue spectrophotometry, potassium fluorosilicate titration and perchloric acid gravimetric method

    China National - GB Standards
    GB/T 41079.2-2022 Methods for Determination of Physical Properties of Liquid Metals Part 2: Determination of Electrical Conductivity

    China National - GB Standards
    GB/T 41704-2022 Testing method for cathode material of lithium ion battery - Determination of magnetic foreign matter content and residual alkali content

    China National - GB Standards
    GB/T 41743-2022 Rapid detection and evaluation method of vacuum glass insulation performance and its attenuation - unsteady state method

    China National - GB Standards
    GB/T 18029.2-2022 Wheelchairs - Part 2: Determination of the dynamic stability of electric wheelchairs

    China National - GB Standards
    GB/T 18029.25-2022 Wheelchairs - Part 25: Batteries and chargers for electric wheelchairs

    China National - GB Standards
    GB/T 41872-2022 Heat exchangers used in refrigeration systems and heat pumps—Temperature, pressure and velocity three-field synergy performance test and evaluation method

    China National - GB Standards
    GB/T 41922-2022 Stage equipment fault data transmission interface and communication protocol specification

    China National - GB Standards
    GB/T 25361.1-2022 Internal combustion engines - Piston pins - Part 1: Technical requirements

    China National - GB Standards
    GB/T 21404-2022 Internal combustion engines - Methods of determining and measuring engine power - General requirements

    China National - GB Standards
    GB/T 8190.6-2022 Reciprocating internal combustion engines - Emission measurements - Part 6: Measurement results and test reports

    China National - GB Standards
    GB/T 41751-2022 Test method for radius of curvature of crystal surface of gallium nitride single crystal substrate

    China National - GB Standards
    GB/T 42056-2022 Specifications for high-precision expression of electronic road map routes and facilities along the route

    China National - GB Standards
    GB/T 41756-2022 Corrosion of metals and alloys - Method for assessing resistance to atmospheric corrosion of low alloy steels

    China National - GB Standards
    GB/T 41755-2022 Cracking susceptibility test of pipeline steel pipe in acidic environment-full ring specimen ellipse deformation method

    China National - GB Standards
    GB/T 6730.61-2022 Iron ore - Determination of carbon and sulfur content - High frequency combustion infrared absorption method

    China National - GB Standards

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