China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    SJ 51423/4-1998 Miniature medium frequency axial fan, type J113FZYD55-39 and J113FZY65-39, detail specification for

    China Electronics - YD Standards
    SJ 51423/3-1998 Miniature medium frequency axial fan, type J75FZYD77-34, detail specification for

    China Electronics - YD Standards
    SJ 51423/2-1998 Miniature medium frequency axial fan, type J75FZYD57-34, detail specification for

    China Electronics - YD Standards
    SJ 51423/1-1998 Miniature medium frequency axial fan, type J121FZYD56-144, detail specification for

    China Electronics - YD Standards
    YDN 094-1998 (800MHz CDMA digital cellular mobile communication network and a mobile switching center PSTN network interface requirements (Temporary Provisions) (internal standard))

    China Telecommunication - YD Standards
    TB/T 2900-1998 (ZY-40 hydraulic rock loader)

    China Railway & Train - YD Standards
    TB/T 2880-1998 (Determination of Hydraulic displacement pumps, motors and steady-state performance of the overall transmission)

    China Railway & Train - YD Standards
    TB/T 1578-1998 Hydraulic Road General technical conditions

    China Railway & Train - YD Standards
    YD/T 954-1998 Technical requirements and test method of digital stored program control dispatching equipment

    China Telecommunication - YD Standards
    YD/T 948-1998 Generic application temple for multimedia conferencing service

    China Telecommunication - YD Standards
    YD/T 945-1998 Modem operating at data signalling rates of up to 33600 bit/s for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits

    China Telecommunication - YD Standards
    YD/T 947-1998 Upper layer protocol profiles for the Q3 and X interface

    China Telecommunication - YD Standards
    YD/T 946-1998 TMN interface specification methodology

    China Telecommunication - YD Standards
    YDN 053.1-1997 (B-ISDN ATM Adaptation Layer Type 1 (AAL1) Technical Specification (internal standard))

    China Telecommunication - YD Standards
    YD/T 910.1-1997 900/1800MHz TDMA digital cellular mobile telecommunication network man-machine of mobile station (Phase 2)

    China Telecommunication - YD Standards
    YD/T 996-1998 Management Arrangement for TechnologicalDocuments in Posts and Telecommunication¡¯Industry

    China Telecommunication - YD Standards
    YD/T 986-1998 155Mb/s and 622Mb/s Technical conditions of optical transceiver module

    China Telecommunication - YD Standards
    YD/T 985-1998 Regulations for establishment of communications between audiovisual terminals with 3 or more digital channels at below 1930kbit/s

    China Telecommunication - YD Standards
    YD/T 5067-1998 Acceptance Specification of Equipment Installation Engineering for digital mobile communication (TDMA)

    China Telecommunication - YD Standards
    SY/T 5363-1997 The division of hydrocarbon bearing sequence

    China Oil & Gas Industry - YD Standards
    SN/T 0722-1997 Rules for the inspection of hydro generator equipments for export

    China Import Export Inspection - YD Standards
    YD/T 941-1997 ISDN user-network interface supplementary service conformance testing specification

    China Telecommunication - YD Standards
    YD/T 929-1997 Technical requirements and testing methods for up to 19.2kbit/s baseband modem connected to the telecommunication network

    China Telecommunication - YD Standards
    YD/T 928-1997 Technical specification for ISDN PABXs

    China Telecommunication - YD Standards
    YD/T 927-1997 Multipoint communication service for audiographics and audiovisual conferencing service definition

    China Telecommunication - YD Standards
    YD/T 935-1997 TMN logical layered architecture

    China Telecommunication - YD Standards
    YD/T 934-1997 TMN physical architecture

    China Telecommunication - YD Standards
    YD/T 933-1997 TMN management services and telecommunication managed areas

    China Telecommunication - YD Standards
    YD/T 930-1997 Principles for eh maintenance of ISDNs

    China Telecommunication - YD Standards
    YD/T 913-1997 Digital subscriber signalling system No.1 (DSS1)-typical DSS1 service indicator codings for ISDN telecommunications services

    China Telecommunication - YD Standards

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