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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    JJG(YD)027-1994 Specification for verification of wide frequency level meters

    China Metrological - YD Standards
    JJG(YD)026-1994 Specification for verification of electronic scales intended to be used in post office

    China Metrological - YD Standards
    JJG(YD)025-1994 Specification for verification of data line testers

    China Metrological - YD Standards
    JJG(YD)024-1994 Specification for verification of process testers

    China Metrological - YD Standards
    JJG(YD)022-1994 Specification for verification of microwave relay tester

    China Metrological - YD Standards
    JJG(YD)021-1994 Specification for verification of testers of telephone dial

    China Metrological - YD Standards
    JJG(YD)019-1994 Specification for verification of telephone channel tester

    China Metrological - YD Standards
    YD/T 707-1993 Terms used for remote message processing and business

    China Telecommunication - YD Standards
    SY/T 5813-1993 (Hydraulic piston pump well pump top manometry procedures)

    China Oil & Gas Industry - YD Standards
    SH/T 0567-1993 (Fire resistant hydraulic fluid manifold test method)

    China Petrochemical Industry - YD Standards
    YD/T 638.8-1993 Type designation for facsimile communication equipments and automated office equipment

    China Telecommunication - YD Standards
    YD/T 638.6-1993 Type designation for telegraph communication equipment

    China Telecommunication - YD Standards
    YD/T 638.2-1993 Type designation system for optical communication equipment

    China Telecommunication - YD Standards
    YD/T 638.14-1993 Type designation system for telephone sets

    China Telecommunication - YD Standards
    YD/T 638.13-1993 Type designation for accessory equipments of telephone exchange

    China Telecommunication - YD Standards
    YD/T 638.1-1993 Type designation for products of posts and telecommunications industry General rules

    China Telecommunication - YD Standards
    YD/T 638.11-1993 Type designation for digital communication equipment

    China Telecommunication - YD Standards
    YD/T 638.10-1993 Type designation for radio, microwave and satellite communication equipments

    China Telecommunication - YD Standards
    YD/T 635-1993 Inspection and test methods of telegraph terminal equipment

    China Telecommunication - YD Standards
    YD/T 633-1993 IF modem equipment operating at 34Mbit/s

    China Telecommunication - YD Standards
    YD/T 638.5-1993 Type designation system for telephone switchboards

    China Telecommunication - YD Standards
    HG/T 2455-1993 (Blending alkyd paint)

    China Chemical Industry - YD Standards
    HG/T 2453-1993 (Alkyd varnish)

    China Chemical Industry - YD Standards
    YD/T 629.2-1993 Monitoring method of attenuation changes in optical fiber transmission Backscatter monitoring method

    China Telecommunication - YD Standards
    YD/T 629.1-1993 Monitoring method of attenuation changes in optical fiber transmission Transmission power monitoring method

    China Telecommunication - YD Standards
    SH/T 0301-1993 (Hydraulic fluid hydrolytic stability assay (glass method))

    China Petrochemical Industry - YD Standards
    QB/T 1765-1993 (Automatic hydraulic press)

    China Light Industry - YD Standards
    LS/T 3512-1993 (Hydraulic Mill)

    China Food industry - YD Standards
    LS/T 3501.8-1993 (General technical conditions for grain and oil processing machinery hydraulic system technical requirements)

    China Food industry - YD Standards
    HG/T 2417-1993 (Photographic chemicals 4 - (N, N-diethylamino) -2 - A tomb - phenylenediamine hydrochloride (CD-2))

    China Chemical Industry - YD Standards

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