Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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YD/T 1267-2003 Technical specification for synchronization netwrok based on SDH transport network 825.0 via email in 1~8 business day valid
YD/T 1986-2009 Technical requirements for Cx/Dx/Sh interfaces in IMS system of mobile communication network 990.0 via email in 1~3 business day valid
GB/T 18766-2002 Technical requirements of chinese NAVTEX system 90.0 via email in 1~3 business day abolished
YD/T 1517-2006 Testing Method for Intelligent Terminal Equipment based on IP:IP Telephone Terminal 240.0 via email in 1~3 business day valid
YD/T 1819-2008 Integrative Gather Frame Which Used in Communication Equipment 150.0 via email in 1~3 business day abolished
YD/T 841.1-2008 Plastic Pipe for Buried Communication Conduit Part 1:General 210.0 via email in 1~3 business day abolished
GB/T 2789-1981 Technical requirements for network interface for the analogue microwave relay communication systems 120.0 via email in 1~3 business day abolished
QX 4-2000 Technical specifications for lightning protection at the meteorological offices (stations) 270.0 via email in 1~3 business day superseded
GYJ 35-1988 Specifications for construction of cable casting sites at village and town level 90.0 via email in 1~3 business day valid
SJ/T 11345-2006 Methods of measurement for digital television cathode ray tube displays 525.0 via email in 1~5 business day valid
YDB 007-2007 Technical Requirements for PSTN/ISDN Simulation Services in NGN 195.0 via email in 1~3 business day valid
GY/T 20-1984 Rules of maintenance of rural cable broadcasting equipment 480.0 via email in 1~5 business day valid
GYJ 38-1988 Quota for configuration of equipment at broadcast centers at municipal level under provincial jurisdiction 300.0 via email in 1~3 business day valid
SL/Z 376-2007 Glossary of common terms for water resources informatization 180.0 via email in 1~3 business day valid
YD/T 1701-2007 Security Requirements of H.323 Network 1050.0 via email in 1~3 business day valid
SJ/T 11335-2006 Methods of measurement of satellite digital television receiver 450.0 via email in 1~3 business day valid
YD/T 1460.5-2006 Telecommunication microduct optical fibre cables and fibre units for installation by blowing Part 5:Enhanced performance fibre units 210.0 via email in 1~3 business day valid
YD/T 1805-2008 Test Method for Assistant Testing System Used for Interworking between Networks 390.0 via email in 1~3 business day valid
YD/T 926.1-2009 Telecommunication Generic Cabling System for Building Part 1: Generic Specification 1050.0 via email in 1~3 business day valid
YD/T 1800-2008 Framework of Information Security Operation Center 210.0 via email in 1~3 business day valid
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