China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 912-1997 Lower layer protocol profiles for the Q3 and X interface

    China Telecommunication - YD Standards
    YD/T 938-1997 Technical requirements and verification methods for POS accessing to the network

    China Telecommunication - YD Standards
    YD/T 937-1997 Confidentiality system for audiovisual services

    China Telecommunication - YD Standards
    YD/T 936-1997 Multipoint communication service protocol specification for audiographics and audiovisual conferencing service

    China Telecommunication - YD Standards
    YD/T 579-1997 The specifications for coin box telephone set

    China Telecommunication - YD Standards
    YD/T 508.1-1997 Technical conditions for parabolic antenna of microwave relay communication system

    China Telecommunication - YD Standards
    YD/T 206.9-1997 Software for overhead communication lines single-hole ground clamps

    China Telecommunication - YD Standards
    YD/T 206.8-1997 Software for overhead communication lines 3-hole double-channel steel tree-lace clamps

    China Telecommunication - YD Standards
    YD/T 206.7-1997 Software for overhead communication lines 3-hole single-channel steel tree-lace clamps

    China Telecommunication - YD Standards
    YD/T 206.6-1997 Software for overhead communication lines Arm-braces

    China Telecommunication - YD Standards
    YD/T 206.5-1997 Software for overhead communication lines Screw pins

    China Telecommunication - YD Standards
    YD/T 206.4-1997 Software for overhead communication lines Cantilevers

    China Telecommunication - YD Standards
    YD/T 206.3-1997 Software for overhead communication lines Steel-plates

    China Telecommunication - YD Standards
    YD/T 206.29-1997 Software for overhead communication lines Cable distribution box stations

    China Telecommunication - YD Standards
    YD/T 206.28-1997 Software for overhead communication lines Block cable hardware

    China Telecommunication - YD Standards
    YD/T 206.27-1997 Software for overhead communication lines Staple bolts

    China Telecommunication - YD Standards
    YD/T 206.26-1997 Software for overhead communication lines Diagonal bracing

    China Telecommunication - YD Standards
    YD/T 206.25-1997 Software for overhead communication lines Cross-arm clips

    China Telecommunication - YD Standards
    YD/T 206.22-1997 Software for overhead communication lines Ground rods

    China Telecommunication - YD Standards
    YD/T 206.2-1997 Software for overhead communication lines Cross-members

    China Telecommunication - YD Standards
    YD/T 206.21-1997 Software for overhead communication lines Cable droppers

    China Telecommunication - YD Standards
    YD/T 206.20-1997 Software for overhead communication lines Steel strand clamps

    China Telecommunication - YD Standards
    YD/T 206.19-1997 Software for overhead communication lines Steel anchors

    China Telecommunication - YD Standards
    YD/T 206.18-1997 Software for overhead communication lines Guy anchors

    China Telecommunication - YD Standards
    YD/T 206.17-1997 Software for overhead communication lines Guy thimbles

    China Telecommunication - YD Standards
    YD/T 206.16-1997 Software for overhead communication lines Guy double helixes

    China Telecommunication - YD Standards
    YD/T 206.15-1997 Software for overhead communication lines Spacer

    China Telecommunication - YD Standards
    YD/T 206.14-1997 Software for overhead communication lines Nuts

    China Telecommunication - YD Standards
    YD/T 206.13-1997 Software for overhead communication lines Pole steps

    China Telecommunication - YD Standards
    YD/T 206.12-1997 Software for overhead communication lines Wood screws

    China Telecommunication - YD Standards

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