Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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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
YDB 162-2015 The technical requirement of cloud service assurance management via email in business day valid
YD/T 2038-2009 Key management of end-to-end data communication for application in mobile network 180.0 via email in 1~3 business day valid
YD/T 1317-2004 IP network technical requirement - Interworking with PSTN ATM Mobile Network 600.0 via email in 1~3 business day valid
YD/T 2058-2009 Protection of customer antenna installations 420.0 via email in 1~3 business day valid
YD/T 2016.2-2009 IPTV OSS Management Interface Technical Specification Part 2:bearing network 1230.0 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 1381-2005 IP network technical requirements - -network performance testing metho 330.0 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 abolished
YD/T 1752-2008 Security Protection Requirements for Supporting Network 210.0 via email in 1~3 business day valid
YD/T 1753-2008 Security Protection Testing Requirements for Supporting Network 360.0 via email in 1~3 business day valid
GB/T 7554-1987 5-unit numerical code for telegram service 60.0 via email in 1~3 business day valid
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
YDN 121-1999 Technical Specifications for SDH Network Synchronous State Information 540.0 via email in 1~3 business day valid
YD/T 1704-2007 General Technical Requirement for Intelligentized PSTN Network 210.0 via email in 1~3 business day valid
YDN 117-1999 Planning Method and Organization Principle for Digital Synchronization Network 600.0 via email in 1~3 business day valid
YDN 075-1998 Management Specifications for China Public Multimedia Communications Network 6300.0 via email in 1~3 business day to be abolished
YD/T 1743-2008 Security Protection Testing Requirements for Access Network 180.0 via email in 1~3 business day valid
YD/T 1171-2001 IP Network Specification -Network Performance Parameters and Objectives 390.0 via email in 1~3 business day superseded
YD/T 1909-2009 Technique specification of Provider Provisioned Virtual Private Network Security 330.0 via email in 1~3 business day valid
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