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Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
YDJ 9-1990 Specification for Engineering Design of Urban Local Communication Full-Plastic Cables Lines $780.00 via email in 1~3 business day valid
YDN 001-1996 Technical Requirements for 160 Telephone Message Service (Tentative Specifications) $570.00 via email in 1~3 business day valid
YDN 002-1996 Specifications for SDH Digital Cross Connect Equipment(SDXC) $1184.00 via email in 1~5 business day superseded
YDN 003-1996 Specifications of optical fiber amplifiers $190.00 via email in 1~3 business day abolished
YDN 004-1996 Technical specification for electronic postal service window system $310.00 via email in 1~5 business day valid
YDN 005-1996 Access Network General View $180.00 via email in 1~3 business day valid
YDN 006-1996 Technical Requirements for Centralized Management System of Automatic Telephone Charging Equipment (Tentative Specifications) $120.00 via email in 1~3 business day valid
YDN 008-1996 Technical Requirements for Inquiry System of General Contractor and Vouchered Postal Material $630.00 via email in 1~3 business day valid
YDN 009-1996 Frame Relay Technical System $1400.00 via email in 1~5 business day superseded
YDN 010-1998 Technical Conditions for Automatic Monitoring System of Optical Cable Lines $750.00 via email in 1~3 business day valid
YDN 011-1996 Business Technology System of Public Electronic Data Interchange (EDI) of China $2250.00 via email in 1~3 business day valid
YDN 012-1996 Technical requirements for flat mail sorting equipment (temporary provisions) via email in business day valid
YDN 013-1996 Technical requirements of postal bank computer network management $750.00 via email in 1~5 business day valid
YDN 014-1996 China Post finance computer network communication protocol TCP/IP $220.00 via email in 1~3 business day valid
YDN 015-1996 Post Financial Card—Magnetic Deposit Card $530.00 via email in 1~3 business day superseded
YDN 016-1996 Interface Requirements for MSC and PSTN of 900 MHz TDMA Digital Cellular Telecommunication Network $1290.00 via email in 1~3 business day valid
YDN 017-1996 Technical system of high-speed radio paging network $390.00 via email in 1~5 business day abolished
YDN 018-1996 Air interface of high speed radio paging system $900.00 via email in 1~5 business day abolished
YDN 019-1996 User interface of high-speed radio paging system $360.00 via email in 1~5 business day abolished
YDN 020-1996 Technical specification of V5.1 interface between local private branch exchange and access network $3225.00 via email in 1~10 business day superseded
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