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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 26779-2021 Hydrogen fuel cell electric vehicle refueling receptacle

    China National - YD Standards
    GB/T 19934.1-2021 Hydraulic fluid power—Fatigue pressure testing of metal pressure-containing envelopes—Part 1: Test method

    China National - YD Standards
    GB/T 14352.22-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 22：Determination of antimony content -- Hydride generation atomic fluorescence spectrometry

    China National - YD Standards
    GB/T 14352.21-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 21: Determination of arsenic content -- Hydride generation atomic fluorescence spectrometry

    China National - YD Standards
    GB/T 25210-2021 Hydraulic excavator—Central turning joint

    China National - YD Standards
    GB/T 21938-2021 Earth-moving machinery─Hydraulic excavator and backhoe loader lowering control device─Requirements and tests

    China National - YD Standards
    GB/T 41071-2021 Determination of polycyclic aromatic hydrocarbons in dye products

    China National - YD Standards
    GB/T 8100.3-2021 Mounting surfaces of hydraulic valves—Part 3: Pressure-reducing valves, sequence valves, unloading valves, throttle valves and check valves

    China National - YD Standards
    GB/T 8100.2-2021 Mounting surfaces of hydraulic valves—Part 2：Compensated flow-control valves

    China National - YD Standards
    GB/T 25629-2021 Hydraulic excavator—Central turning joint

    China National - YD Standards
    GB/T 25684.5-2021 Earth-moving machinery—Safety—Part 5: Requirements for hydraulic excavators

    China National - YD Standards
    GB/T 41028-2021 Requirements of aerospace fluid systems impulse testing of hydraulic hose ，tubing and fitting assemblies

    China National - YD Standards
    GB/T 41212-2021 Nanotechnologies -- 5-(and 6)-Chloromethyl-2', 7' Dichloro-dihydrofluorescein diacetate (CM-H2DCF-DA) assay for evaluating nanoparticle-induced intracellular reactive oxygen species(ROS) production in RAW 264.7 macrophage cell line

    China National - YD Standards
    GB/T 41184.1-2021 Measuring instruments for soil moisture evaporation -- Part 1: Evaporator of the hydraulic type

    China National - YD Standards
    GB/T 40998-2021 Determination of hydroxypropyl content in modified starch -- Spectrophotometric method

    China National - YD Standards
    GB/T 40968-2021 Test method of polycylic aromatic hydrocarbons in musical instrument

    China National - YD Standards
    GB/T 40672-2021 Clinical laboratory testing—Criteria for acceptable lots of dehydrated Mueller-Hinton agar and broth for antimicrobial susceptibility testing

    China National - YD Standards
    GB/T 40565.2-2021 Connections for hydraulic fluid power—Quick-action couplings—Part 2:Flush-face type at 20 MPa to 31.5 MPa

    China National - YD Standards
    GB/T 40565.3-2021 Connections for hydraulic fluid power—Quick-action couplings—Part 3:Screw connection type for general purpose

    China National - YD Standards
    GB/T 40565.4-2021 Connections for hydraulic fluid power—Quick-action couplings—Part 4: Screw connection type at 72 MPa

    China National - YD Standards
    GB/T 40582-2021 Basic terminology of hydropower station

    China National - YD Standards
    GB/T 29614-2021 Vulcanized rubber—Determination the content of polycyclic aromatic hydrocarbons

    China National - YD Standards
    GB/T 40971-2021 Methods for the determination of prohibited substance in furniture products and related materials—Polycyclic aromatic hydrocarbons

    China National - YD Standards
    GB/T 40566-2021 Granular polysilicon produced by fluidized bed method—Determination of hydrogen—Pulse heating inert gas fusion infrared absorption method

    China National - YD Standards
    GB/T 40704-2021 Natural gas—Determination of odorant tetrahydrothiophene—On-line sampling gas chromatography method

    China National - YD Standards
    GB 50516-2010 Technical code for hydrogen fuelling station

    China National - YD Standards
    GB/T 39519-2020 Hydranlic cylindrically helical compression spring with high working stress—Technical specifications

    China National - YD Standards
    GB/T 39538-2020 Determination of arsenic, selenium and mercury in coal—Hydride generation-atomic fluorescence spectrometry

    China National - YD Standards
    GB/T 26300-2020 Nickel cobalt manganese composite hydroxide

    China National - YD Standards
    GB/T 39095-2020 Aerospace—Hydraulic fluid components—Expression of particulate contamintion levels

    China National - YD Standards

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