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Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED
Standard No. Title Price(USD) Delivery Status Add To Cart
YD/T 839.1-1996 via email in ABOLISHED please email coc@codeofchina.com for quotation
YD 231-1981 15 (USD) via email in 1-3 business day ABOLISHED
YD/T 1351-2005 Technical requirement and test methods of optical transceiver module for coarse wavelength division multiplexing system 270 (USD) via email in 1-3 business day ABOLISHED
YD/T 2062-2009 Emergency power supply for telecommunications via email in VALID please email coc@codeofchina.com for quotation
YD/T 1793-2008 Network Management Technical Requirement for 2GHz Digital Cell Mobile Communication Network Element Management System (EMS) Function 330 (USD) via email in 1-3 business day VALID
YD/T 1452-2006 IPv6 Network Equipment Technical Requirements——Edge Router Supporting IPv6 840 (USD) via email in 1-8 business day ABOLISHED
YDN 056-1997 1545 (USD) via email in 1-10 business day
YD/T 2730-2014 via email in VALID please email coc@codeofchina.com for quotation
YD 262-1981 15 (USD) via email in 1-3 business day ABOLISHED
YD 5047-1997 Standard for Design of Integrated Telecommunications Business Hall 435 (USD) via email in 1-3 business day ABOLISHED
YD/T 828.31-1996 45 (USD) via email in 1-3 business day VALID
YD/T 701-1993 225 (USD) via email in 1-3 business day VALID
YDN 064-1997 Network General Principles for Broadband Integrated Services Digital Network (B-ISDN) 480 (USD) via email in 1 business day VALID
YD/T 683-1994 90 (USD) via email in 1-3 business day
YDN 050-1997 Technical specifications for Service Create Environment Points (SCEP) of China Intelligent Network Equipment 180 (USD) via email in 1 business day VALID
YD 230-1981 15 (USD) via email in 1-3 business day ABOLISHED
YDC 036-2004 800MHz CDMA 1X HRPD Technical specification AT Part 240 (USD) via email in 1-3 business day ABOLISHED
YDC 043.12-2006 Technical Requirements of Wireless Application Protocol (WAP) Part 12 Security Architecture via email in VALID please email coc@codeofchina.com for quotation
YD/T 1912-2009 Security Technical Requirements and Test Methods for Media Server Based on Softswitch via email in VALID please email coc@codeofchina.com for quotation
YD/T 873-1996 420 (USD) via email in 1-3 business day VALID
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