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  •  China "GB" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 5095.2304-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-4: Screening and filtering tests—Test 23d: Transmission line reflections in the time domain

    China National - GB Standards
    GB/T 5095.2303-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-3:Screening and filtering tests—Test 23c：Shielding effectiveness of connectors and accessories—Line injection method

    China National - GB Standards
    GB/T 4892-2021 Dimensions of rigid rectangular transport packages

    China National - GB Standards
    GB/T 4797.9-2021 Classification of environmental conditions—Environmental conditions appearing in nature—Measured shock and vibration data during storage, transportation and in-use

    China National - GB Standards
    GB/T 4490-2021 Conveyor belts with textile carcass—Widths and lengths

    China National - GB Standards
    GB/T 4022.1-2021 Surface grinding machines with horizontal grinding wheel spindle and reciprocating table—Testing of the accuracy—Part 1：Machines with table surface length of up to 1600 mm

    China National - GB Standards
    GB/T 3792-2021 Information and documentation—Resource description

    China National - GB Standards
    GB/T 3684-2021 Conveyor belts—Electrical conductivity—Specification and test method

    China National - GB Standards
    GB/T 3480.2-2021 Calculation of load capacity of spur and helical gears—Part 2: Calculation of surface durability (pitting)

    China National - GB Standards
    GB/T 3296-2021 Test method for translucency of daily-use porcelain

    China National - GB Standards
    GB/T 2889.5-2021 Plain bearings—Terms, definitions, classification and symbols—Part 5:Application of symbols

    China National - GB Standards
    GB/T 2680-2021 Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors

    China National - GB Standards
    GB/T 2585-2021 Hot-rolled steel rails for railway

    China National - GB Standards
    GB/T 1454-2021 Test method for edgewise compressive properties of sandwich constructions

    China National - GB Standards
    GB/T 1406.3-2021 Types and dimensions of lamp caps—Part 3：Prefocus caps

    China National - GB Standards
    GB/T 1149.6-2021 Internal combustion engines—Piston rings—Part 6: Scraper rings made of cast iron

    China National - GB Standards
    GB/T 1149.4-2021 Internal combustion engines—Piston rings—Part 4:Quality requirements

    China National - GB Standards
    GB/T 41009-2021 Forensic sciences -- Data structures of selected loci from the DNA database

    China National - GB Standards
    GB/T 41021-2021 Forensic sciences -- Content and format of DNA identification report

    China National - GB Standards
    GB/T 1355-2021 Wheat flour

    China National - GB Standards
    GB/T 41165-2021 Accuracy evaluation methods of marine forecast results

    China National - GB Standards
    GB/T 41020-2021 Guidance on building fire risk assessment for property insurance

    China National - GB Standards
    GB/T 14914.6-2021 The specification for marine observation—Part 6:Data processing and quality control of marine observational data

    China National - GB Standards
    GB/T 14914.3-2021 The specification for marine observation -- Part 3: Surface and subsurface buoy-based observation

    China National - GB Standards
    GB/T 14914.4-2021 The specification for marine observation—Part 4:Shore based radar observation

    China National - GB Standards
    GB/T 9254.1-2021 Information technology equipment, multimedia equipment and receivers -- Electromagnetic compatibility -- Part 1: Emission requirements

    China National - GB Standards
    GB/T 283-2021 Rolling bearings—Cylindrical roller bearings—Boundary dimensions

    China National - GB Standards
    GB/T 6424-2021 Flat plate solar collectors

    China National - GB Standards
    GB/T 17581-2021 Evacuated tube solar collectors

    China National - GB Standards
    GB/T 34273-2021 Standard test method for calculated cetane index of coal liquefaction diesel—Four variable equetion

    China National - GB Standards

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