code of china Chinese Classification Professional Classification ICS Classification Latest News

LoginRegister
Position: Standard Search VALID TO BE VALID SUPERSEDED TO BE SUPERSEDED ABOLISHED TO BE ABOLISHED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 527-1992 (USD) via email in 1-3 business day ABOLISHED
YD 331-1987 General Technical Requirement for Supporting Carrier Communication Equipment for Standard Coaxial Integrated Communication Cables (USD) via email in 1 business day VALID
GB/T 13136-1991 Specifications for the local subscriber loop carrier equipment (USD) via email in 1-3 business day ABOLISHED
YD/T 1469-2006 Technical Requirements for Diameter Base Protocol in IP Network (USD) via email in 1-10 business day VALID
GB/T 13425-1992 Measurement for 24-channels submarine coaxial cable carrier telephone equipment (USD) via email in 1-8 business day
YD/T 1470-2006 Technical Requirements of Telephony Routing over IP (TRIP) (USD) via email in 1-5 business day VALID
GB/T 11328-1989 Specification for 24-channel telephone carrier--Terminal equipment used on the symmetric pair of 1.2/2.4mm synthetical coaxial cable (USD) via email in 1-3 business day ABOLISHED
CCEC/T 06-2000 Technical Specifications for Energy Conservation Product Certification for Line Traps for AC Power System (USD) via email in 1-3 business day ABOLISHED
GB/T 4770.3-1984 The test methods for 60-channel symmetrical cable carrier telephone equipment (USD) via email in 1-5 business day ABOLISHED
GB/T 13169-1991 General specification for 4MHz (960ch) carrier systems on standardized 1.2/4.4mm coaxial cable pairs (USD) via email in 1-3 business day
GB/T 13429-1992 Measurement methods for 120-channel submarine coaxial cable carrier telephone equipment (USD) via email in 1-3 business day
GB 7435-1987 (USD) via email in 1-3 business day ABOLISHED
YD/T 689-1994 (USD) via email in 1-3 business day
GB/T 4770.2-1984 The test methods for 12-channel open wire carrier telephone equipment (USD) via email in 1-3 business day ABOLISHED
DL/T 1124-2009 Digital power-line carrier terminals via email in VALID please email coc@codeofchina.com for quotation
GB/T 7255-1998 Single sideband power-line carrier terminals via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 14240-1993 Specification of SHF 12-channel carrier systems and equipments for open-wire pair via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB 7329-1987 (USD) via email in 1-3 business day ABOLISHED
YD/T 1466-2006 Technical Requirements of IP Security (IPSec) (USD) via email in 1-5 business day VALID
GB/T 13430-1992 Performance requirements for 24-channel submarine coaxial cable carrier telephone equipment via email in 1-3 business day please email coc@codeofchina.com for quotation
About Us | Contact Us | Terms of Service | Privacy | Cancellation & Refund Policy | Payment
Tel:+86-10-8572 5655 Fax:+86-10-8581 9515 Email: coc@codeofchina.com QQ: 672269886
Copyright:TransForyou Co., Ltd. 2008-2020