Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 11444.4-1996 Transmitter, receiver and ground communication equipment used in domestic satellite communication earth stations-Technical requirements-Part 4: Intermediate data rate (IDR) transmiss $240.00 via email in 1~3 business day valid
GB/T 12010.7-2010 Plastics—Poly(vinyl alcohol) (PVAL) materials—Part 7:Determination for sodium hydroxide contents $80.00 via email in 1~3 business day valid
GB/T 15839-1995 Networking specifications for 64～1920kbit/s videoconferencing systems $210.00 via email in 1~3 business day valid
GB/T 16651-1996 Message handling systems - ElectronicData interchange messaging system $1275.00 via email in 1~3 business day valid
GB/T 17154.1-1997 ISDN user-network interface layer 3 specification and testing method for basic call control Part 1: Layer 3 specification for basic call control $2025.00 via email in 1~3 business day valid
GB/T 17154.2-1997 ISDN user-network interface layer 3 specification and testing method for basic call control procedure Part 2: Testing method for layer 3 basic call control protocol $1830.00 via email in 1~3 business day valid
YD/T 1420-2005 Technical requirements for jitter and wander in digital networks based on 2048kbit/s hierarchy $520.00 via email in 1~3 business day valid
YD/T 1472-2006 Technical Requirements for Adaptation Layer of ISDN Signalling Interworking with IP $540.00 via email in 1~3 business day valid
YD/T 1473-2006 Technical Requirements of V5.2 User Adaptation Layer $210.00 via email in 1~3 business day valid
YD/T 1660-2007 Technical Specification and Testing Methods for NT1+ Plus Equipment $2190.00 via email in 1~3 business day valid
YD/T 930-1997 Principles for the maintenance of ISDNs $240.00 via email in 1~3 business day valid
YD/T 933-1997 TMN management services and telecommunications managed areas $240.00 via email in 1~3 business day valid
YD/T 934-1997 TMN physical architecture $240.00 via email in 1~3 business day valid
YD/T 935-1997 TMN logical layered architecture $150.00 via email in 1~3 business day valid
YD/T 941-1997 ISDN user-network interface supplementay service comformance testing specification $2175.00 via email in 1~5 business day valid
YDN 045-1997 Basic Specifications for Management Network Information Model of Synchronous Digital Hierarchy (SDH) $1740.00 via email in 1~3 business day valid
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