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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
GB/T 7255-1998 Single sideband power-line carrier terminals 330.0 via email in 1~3 business day valid
DL/T 1124-2009 Digital power - line carrier terminals 315.0 via email in 1~3 business day valid
GB 7255-1987 165.0 via email in 1~3 business day superseded
YDJ 5-1985 Specification for Installation Design of Long-Distance Communications Carrier Telephone Equipment 810.0 via email in 1~3 business day valid
GB/T 7329-2008 Coupling devices for power line carrier systems 180.0 via email in 1~3 business day valid
GB/T 7330-2008 Line traps for a.c. power systems 450.0 via email in 1~3 business day valid
GB/T 7329-1998 Coupling devices for power line carrier systems 165.0 via email in 1~3 business day abolished
GB 7329-1987 150.0 via email in 1~3 business day abolished
GB/T 13169-1991 General specification for 4MHz (960ch) carrier systems on standardized 1.2/4.4mm coaxial cable pairs 120.0 via email in 1~3 business day valid
YD 331-1987 General Technical Requirement for Supporting Carrier Communication Equipment for Standard Coaxial Integrated Communication Cables 90.0 via email in 1~3 business day valid
YDJ 35-1981 Technical Specifications for Installation Engineering Construction and Acceptance of Long-Distance Communication Open-Wire Carrier Telephone Equipment 480.0 via email in 1~3 business day valid
GB/T 13137-1991 Specification for 12-channel telephone carrier terminal equipment used on the symmetric pains of 2.6/9.5mm coaxial cable 180.0 via email in 1~3 business day valid
GB/T 13168-1991 General specification for 8MHz (1800ch) carrier systems on standardized 2.6/9.5mm coaxial cable pairs 120.0 via email in 1~3 business day valid
GB/T 13429-1992 Measurement methods for 120-channel submarine coaxial cable carrier telephone equipment 330.0 via email in 1~3 business day valid
YD/T 1466-2006 Technical Requirements of IP Security (IPSec) 420.0 via email in 1~3 business day valid
GB 7330-1987 255.0 via email in 1~3 business day abolished
GB 13836-2000 distribution systems for television and sound signals - Part 2: Electromagnetic compatibility of equipment 300.0 via email in 1~3 business day valid
YD/T 1468-2006 Technical Requirements of IPSec Traverse NAT 330.0 via email in 1~3 business day valid
GB/T 21194-2007 Generic reliability assurance requirements for optoelectronic devices used in telecommunications equipment 225.0 via email in 1~3 business day valid
YD/T 1470-2006 Technical Requirements of Telephony Routing over IP (TRIP) 510.0 via email in 1~3 business day valid
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