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  •  China "GB" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 14598.181-2021 Measuring relays and protection equipment -- Part 181：Functional requirements for frequency protection

    China National - GB Standards
    GB/T 26281-2021 Methods for the calculation of heat balance，heat efficiency and comprehensive energy consumption of cement rotary kiln

    China National - GB Standards
    GB/T 3670-2021 Covered electordes for manual metal arc welding of copper and copper alloys

    China National - GB Standards
    GB/T 41147-2021 Voltage sourced converter(VSC) valves for static synchronous compensator(STATCOM) -- Electrical testing

    China National - GB Standards
    GB/T 41111-2021 Rods for gas welding of non-alloy and creep-resisting steels

    China National - GB Standards
    GB/T 41110-2021 Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of nickel and nickel alloys

    China National - GB Standards
    GB/T 41112-2021 Solid wire electrodes, solid wires and rods for fusion welding of magnesium and magnesium alloys

    China National - GB Standards
    GB/T 26465-2021 Safety rules for the construction and installation of firefighters lifts

    China National - GB Standards
    GB/T 41114-2021 Non-destructive testing -- Ultrasonic testing -- Specification for a calibration block for phased array testing(PAUT)

    China National - GB Standards
    GB/T 41216-2021 Marine combine connecting line for mooring

    China National - GB Standards
    GB/T 41123.3-2021 Non-destructive testing—Radiation methods for industrial computed tomography—Part 3:Qualification

    China National - GB Standards
    GB/T 41123.2-2021 Non-destructive testing—Radiation methods for industrial computed tomography—Part 2:Operation and interpretation

    China National - GB Standards
    GB/T 41123.1-2021 Non-destructive testing -- Radiation methods for industrial computed tomography -- Part 1: Principles, equipment and samples

    China National - GB Standards
    GB/T 14088-2021 Marine halon fire extinguishing system

    China National - GB Standards
    GB/T 12604.12-2021 Non-destructive testing -- Terminology -- Part 12: Radiation methods for industrial computed tomography

    China National - GB Standards
    GB/T 41105.3-2021 Non-destructive testing -- Measurement and evaluation of the X-ray tube voltage -- Part 3: Spectrometric method

    China National - GB Standards
    GB/T 41105.2-2021 Non-destructive testing -- Measurement and evaluation of the X-ray tube voltage -- Part 2: Constancy check by the thick filter method

    China National - GB Standards
    GB/T 15829-2021 Soft soldering flux -- Classification and requirements

    China National - GB Standards
    GB/T 41113-2021 Qualification testing of brazers and brazing operators

    China National - GB Standards
    GB/T 41104.3-2021 Solder wire, solid and flux cored -- Specifications and test methods -- Part 3: Wetting balance test method for flux cored solder wire efficacy

    China National - GB Standards
    GB/T 41104.2-2021 Solder wire, solid and flux cored -- Specification and test methods -- Part 2: Determination of flux content

    China National - GB Standards
    GB/T 41104.1-2021 Solder wire, solid and flux cored -- Specification and test methods -- Part 1: Classification and performance requirements

    China National - GB Standards
    GB/T 38265.15-2021 Test methods for soft soldering fluxes—Part 15: Copper corrosion test

    China National - GB Standards
    GB/T 38265.14-2021 Test methods for soft soldering fluxes—Part 14: Assessment of tackiness of flux residues

    China National - GB Standards
    GB/T 38265.13-2021 Test methods for soft soldering fluxes—Part 13: Determination of flux spattering

    China National - GB Standards
    GB/T 38265.11-2021 Test methods for soft soldering fluxes—Part 11: Solubility of flux residues

    China National - GB Standards
    GB/T 38265.5-2021 Test methods for soft soldering fluxes -- Part 5: Copper mirror test

    China National - GB Standards
    GB/T 41158-2021 Management requirements for circulation information of automobile aftermarket parts

    China National - GB Standards
    GB/T 22437.5-2021 Cranes—Design principles for loads and load combinations—Part 5：Overhead travelling and portal bridge cranes

    China National - GB Standards
    GB/T 41105.1-2021 Non-destructive testing—Measurement and evaluation of the X-ray tube voltage—Part 1:Voltage divider method

    China National - GB Standards

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