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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 1016-1999 Technical condition for PDH optical line terminals used in access network

    China Telecommunication - YD Standards
    YD/T 1015-1999 Technical requirement for Q interface adapter used in transmission equipment

    China Telecommunication - YD Standards
    YDN 115.4-1999 Test specification for China intelligent network services (Mass calling service) (internal standard)

    China Telecommunication - YD Standards
    YDN 115.3-1999 Test specification for China intelligent network services (Vote of telephone service) (internal standard)

    China Telecommunication - YD Standards
    YDN 115.2-1999 Test specification for China intelligent network services (wide area Centrex) (internal standard)

    China Telecommunication - YD Standards
    YDN 115.1-1999 Test specification for China intelligent network services (universal personal communication service) (internal standard)

    China Telecommunication - YD Standards
    YD/T 1012-1999 Node clock set of digital synchronization network and its timing feature

    China Telecommunication - YD Standards
    YD/T 1011-1999 Technology requirement and test method of stand alone synchronization equipment in digital synchronization network

    China Telecommunication - YD Standards
    YD/T 1009-1999 Technical performances and test methods of FDMA wireless access systems for 450MHz

    China Telecommunication - YD Standards
    YD/T 914-1999 Multipoint still image and annotation protocol

    China Telecommunication - YD Standards
    YD/T 1006-1999 A simultaneous voice plus data modem, operating at a voice plus data signalling rates of 4 800bits/s, with optional automatic switching to data-only signalling rates of up to 14 400bit/s, for use on the general switched telephone network and on leased poi

    China Telecommunication - YD Standards
    YD/T 1004-1999 Technical specifications and test methods of multi-port telephone accounting system

    China Telecommunication - YD Standards
    YD/T 1002-1999 Frame relaying bearer service interworking

    China Telecommunication - YD Standards
    TB/T 2957-1999 (Diesel hydraulic transmission oil)

    China Railway & Train - YD Standards
    YD/T 999-1999 Multicast adaptation protocol

    China Telecommunication - YD Standards
    YD/T 997-1999 Specification for VB5.1 interface

    China Telecommunication - YD Standards
    YD/T 1000-1999 Performance for data networks providing international frame relay Svc service

    China Telecommunication - YD Standards
    YD/T 998.2-1999 Lithium-ion Battery and charger for cellular phones. Charger

    China Telecommunication - YD Standards
    YD/T 998.1-1999 Lithium-ion Battery and charger for cellular phones. Lithium-ion Battery

    China Telecommunication - YD Standards
    YD/T 917-1999 (Cable line automatic monitoring station hardware technology)

    China Telecommunication - YD Standards
    HJ T 50-1999 Water quality - Determination of trichloroacetaldehyde - pyrazolone spectrophotometric method

    China Environment Industry - YD Standards
    HJ T 43-1999 Determination of nitrogen oxides in exhaust gas from stationary pollution sources - Naphthalene ethylenediamine hydrochloride spectrophotometric method

    China Environment Industry - YD Standards
    HJ T 38-1999 Determination of non-methane total hydrocarbons in exhaust gas from stationary pollution sources by gas chromatography

    China Environment Industry - YD Standards
    HJ T 35-1999 Determination of acetaldehyde in exhaust gas from stationary pollution sources by gas chromatography

    China Environment Industry - YD Standards
    HJ T 29-1999 Determination of chromic acid mist in exhaust gas from stationary pollution sources-Diphenylcarbodihydrazide spectrophotometric method

    China Environment Industry - YD Standards
    HJ T 28-1999 Determination of hydrogen cyanide in exhaust gas from stationary pollution sources by isonicotinic acid-pyrazolone spectrophotometry

    China Environment Industry - YD Standards
    HJ T 27-1999 Determination of Hydrogen Chloride in Exhaust Gas from Stationary Pollution Source Mercury Thiocyanate Spectrophotometry

    China Environment Industry - YD Standards
    JJG(YD)051-1999 (Transmission impairments tester)

    China Metrological - YD Standards
    JJG(YD)050-1999 Characteristic analyzer for PCM voice channels

    China Metrological - YD Standards
    JJG(YD)049-1999 Telephone network simulator

    China Metrological - YD Standards

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