Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 26261-2010 General technical requirements of used telecommunication equipment appraisal 110.0 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 1603.1-2007 Testing Methods for 2GHz Digital Cellular Mobile Communications Network Management System (NMS)-Element Management System (EMS)Interface Information Model Consistency Test Part 1:Gene 780.0 via email in 1~3 business day valid
GB/T 32632.2-2016 Information accessibility - Part 2: Principles for barrier - free design of communication terminal equipment 395.0 via email in 1~5 business day valid
YD/T 2059-2009 Expected surges on telecommunications and signalling networks due to lightning 390.0 via email in 1~3 business day valid
YD/T 1890-2009 Technical Requirements and Evaluation Methods for Assistive Technology of Information Accessibility in Information Terminals 360.0 via email in 1~3 business day valid
YD 2001-1992 Technical Specifications for Engineering Construction and Acceptance Of All-plastic Cable and Lines for Urban Local Communication 1200.0 via email in 1~3 business day valid
YD/T 564-1992 Technical requirements and test methods for toll service boards (Toll recording boards enquiry desks) In manual toll telephone swiching eqiupments 75.0 via email in 1~3 business day valid
YD/T 1602-2007 Testing Methods for 2GHz Digital Cellular Mobile Communications Network Management NMS-EMS Interface Function 1620.0 via email in 1~3 business day valid
GB/T 14617.2-2012 ~ 310.0 via email in 1~3 business day valid
YD/T 1734-2009 Security Protection Requirements for Mobile Communication Network 255.0 via email in 1~3 business day valid
CNCA 07C-20031-2001 via email in business day valid
YD/T 1022-1999 Requirement of synchronous digital hierarchy (SDH)equipment function 2475.0 via email in 1~10 business day valid
YD/T 1557-2007 Technical Specification for 2GHz cdma2000 Digital Cellular Mobile Communication Network:Packet Data Equipment Part 630.0 via email in 1~3 business day valid
YD/T 1434-2006 General Technical Requirements for Softswitch Equipments 1110.0 via email in 1~3 business day valid
GB/T 19558-2004 General specifications for integrated circuit(IC) card payphone and sytem 600.0 via email in 1~3 business day valid
YD/T 707-1993 Terms Used for Remote Message Processing and Business 570.0 via email in 1~3 business day valid
YD/T 539-1992 Fundamental Parameters of Synchronous Data Multiplexing Scheme Without Envelope Structure 60.0 via email in 1~3 business day valid
YD/T 282-2000 General reliability test methods for communication equipment 315.0 via email in 1~5 business day valid
YD/T 563-1992 Technical requirements and test methods for toll connecting boards And special boards in manual toll telephone switching equipments 120.0 via email in 1~3 business day valid
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