China National Standards
China YD Standards Search System 　
  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    JJG(CB)6-1991 (Standard hydrophone coupled cavity reciprocity law test methods)

    China Metrological - YD Standards
    JJG(CB)5-1991 (Standard hydrophone spherical wave free field testing method Reciprocity Act)

    China Metrological - YD Standards
    TB/T 2136-1990 (Hydraulic lining GM technology)

    China Railway & Train - YD Standards
    TB/T 2135-1990 Hydraulic side pillow General technical conditions

    China Railway & Train - YD Standards
    TB/T 2125-1990 (T ， CSY hydraulic rope tow the car to push hydraulic drive technology conditions)

    China Railway & Train - YD Standards
    TB/T 2124-1990 (T ， CSY hydraulic rope tow push trolley)

    China Railway & Train - YD Standards
    YDJ 9-1990 Specification for engineering design of urban local communication full-plastic cables lines

    China Telecommunication - YD Standards
    YD 344-1990 Requirements for PABXs access to public telephone switching network

    China Telecommunication - YD Standards
    YD 343-1990 Networking requirement for point-tc-multipoint radio telecommunication systems

    China Telecommunication - YD Standards
    JJG 663-1990 Verification regulation for thermal conductivity hydrogen analyzer

    China Metrological - YD Standards
    JJG(YD)010-1990 Specification for verification of data error analyzers

    China Metrological - YD Standards
    JJG(YD)009-1990 Specification for verification of pulse-echo test

    China Metrological - YD Standards
    JJG(YD)008-1990 Specification for verification of wave guide reflectometers

    China Metrological - YD Standards
    JJG(YD)007-1990 Specification for verification of microwave system analyzers

    China Metrological - YD Standards
    JJG(YD)006-1990 Specification for verification of white noise testing equipment

    China Metrological - YD Standards
    JJG(YD)005-1990 Specification for verification of XH3321A millihertz counters

    China Metrological - YD Standards
    JJG(DZ)1009-1990 (YCH-1 hydrocarbon analyzer test procedures)

    China Metrological - YD Standards
    YD/T 577-1992 Jack and Plug For Indoor Telephone

    China Telecommunication - YD Standards
    HG/T 3024-1989 Photographic grade hydroquinone

    China Chemical Industry - YD Standards
    HG/T 3022-1989 Photographic grade sodium sulfite, anhydrous

    China Chemical Industry - YD Standards
    JJG(YD)004-1989 Specification for verification of wave guided noise generators

    China Metrological - YD Standards
    JJG(YD)003-1989 Specification for verification of ME62A model microwave testing devices

    China Metrological - YD Standards
    JJG(YD)002-1989 Specification for verification of wave guided standard mismatch load

    China Metrological - YD Standards
    JJG(YD)001-1989 Specification for standard verification of 1109 coaxial power transmission

    China Metrological - YD Standards
    YD/T 559-1992 Sealing tests for pressurized waveguide components and assemblies

    China Telecommunication - YD Standards
    HG/T 2979-1987 Analytical method of content for thiocyclam hydrogen oxalate technical

    China Chemical Industry - YD Standards
    TB 1928-1987 (Laser alignment machine technology from the lining of hydraulic conditions)

    China Railway & Train - YD Standards
    YD/T 334-1987 Urban local telecommunication cable connectors

    China Telecommunication - YD Standards
    QB/T 3831-1999 Anti-color change corrosion testing method of the metal deposits and conversion coatings for the light industrial products Hydrogen sulfide test

    China Light Industry - YD Standards
    TB 1664-1985 (Water crane hydraulic valve technology conditions)

    China Railway & Train - YD Standards

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