Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 14731-1993 Synchronous digital hierarchy bit rates 45.0 via email in 1~3 business day abolished
YD/T 1739-2008 Security Protection Testing Requirements for Value Added Service Network (Messaging Network) 210.0 via email in 1~3 business day valid
GB/T 26261-2010 General technical requirements of used telecommunication equipment appraisal 120.0 via email in 1~3 business day valid
YD/T 1826-2008 Network Security Emergency Handling Team Construct Guidelines 150.0 via email in 1~3 business day valid
GB 50374-2006 Code of Construction and Acceptance for Communication Conduit Engineering 380.0 via email in 1 business day valid
GB/T 21545-2008 Principles of protection against overvoltages and overcurrents 165.0 via email in 1~3 business day valid
GB/T 28507-2012 Description guidelines for voice exhibition of web documents 180.0 via email in 1~3 business day valid
GB/T 28519-2012 General principles of energy consumption test methods for telecommunication equipment 120.0 via email in 1~3 business day valid
YD/T 1759-2008 Security Protection Testing Requirements for the Support Unit of Core Production Network 360.0 via email in 1~3 business day valid
YD/T 1747-2008 Security Protection Testing Requirements for IP Bearer Network 300.0 via email in 1~3 business day superseded
YD/T 1765-2008 Noun Terms in Communication Safety and Protection 480.0 via email in 1~3 business day valid
GB/T 15160-2007 Land mobile communication system requirements using multi-channel access techniques without a central controller 360.0 via email in 1~3 business day valid
SH/T 3153-2007 Design specification for telecommunication in petrochemical enterprise 405.0 via email in 1~5 business day valid
GB/T 14733.2-1993 Terminology for telecommunications-Transmission lines and waveguides 510.0 via email in 1~5 business day superseded
YD/T 1752-2008 Security Protection Requirements for Supporting Network 210.0 via email in 1~3 business day valid
GB/T 7262.2-2001 Technical requirements and arrangement of equipment for highway communication--Arrangement of equipment 150.0 via email in 1~3 business day superseded
YD/T 1753-2008 Security Protection Testing Requirements for Supporting Network 360.0 via email in 1~3 business day valid
GB/T 16532-1996 Speech material library used DRT for articulation evaluation of communication equipments 975.0 via email in 1~3 business day valid
GB/T 7400.11-1999 Digital television terminology 240.0 via email in 1~3 business day superseded
YD/T 1755-2008 Classified Security Protection Testing Requirements for Telecom Network and Internet for Physics Environment 150.0 via email in 1~3 business day valid
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