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Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED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 1116-2001 Digital Distribution Frame with Wire Sleeve Coaxial Connectors 195 (USD) via email in 1-3 business day ABOLISHED
YD 335-1988 Digital Line Signalling for Intertoll Exchange 210 (USD) via email in 1 business day ABOLISHED
YD 285-1982 240 (USD) via email in 1 business day VALID
YD/T 742-1995 285 (USD) via email in 1-3 business day VALID
YD/T 1355-2005 Technical requirements and test method of Mini-BITS equipment 420 (USD) via email in 1-3 business day VALID
YD/T 697-1993 540 (USD) via email in 1-5 business day
YD/T 1356-2005 The specification for user power feeding of ISDN basic access U interface on the switch 240 (USD) via email in 1-3 business day VALID
GB/T 14132-1993 Performance requirements for digital line systems on symmetric pair cables used in telecommunication network 165 (USD) via email in 1-3 business day
YD/T 786-1995 45 (USD) via email in 1-3 business day VALID
YD/T 698-1993 150 (USD) via email in 1-3 business day
GB/T 13995-1992 Technical requirements for TDM/FDM 60-channel transmultiplexing equipment via email in 1-3 business day please email coc@codeofchina.com for quotation
GB/T 1494-1979 Technical requirements for magneto telephone 60 (USD) via email in 1-3 business day ABOLISHED
YD/T 1054-2000 Access network technical specification-Integrated digital loop carrier (LDLC) 750 (USD) via email in 1-5 business day VALID
GB 5322-1985 Technical requirements and testing methods for crossbar private automatic branch exchange 120 (USD) via email in 1-3 business day ABOLISHED
GB/T 14131-1993 Performance requirements for digital line systems on coaxial pair cables used in telecommunication network via email in 1-3 business day please email coc@codeofchina.com for quotation
YD/T 724-1994 120 (USD) via email in 1-3 business day
YD/T 787-1995 105 (USD) via email in 1-3 business day VALID
YD/T 822-1996 330 (USD) via email in 1-3 business day VALID
YD/T 794-1996 195 (USD) via email in 1-3 business day
YD/T 885-1997 195 (USD) via email in 1-3 business day
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