| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 12010.7-2010 |
Plastics—Poly(vinyl alcohol) (PVAL) materials—Part 7:Determination for sodium hydroxide contents |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 15839-1995 |
Networking specifications for 64～1920 kbit/s videoconferencing systems |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1473-2006 |
Technical Requirements of V5.2 User Adaptation Layer |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16651-1996 |
Message handling systems -ElectronicData interchange messaging system |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 935-1997 |
TMN logical layered architecture |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1472-2006 |
Technical Requirements for Adaptation Layer of ISDN Signalling Interworking with IP |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 17154.1-1997 |
ISDN user-network interface layer 3 specification and testing method for basic call control Part 1: Layer 3 specification for basic call control |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 17154.2-1997 |
ISDN user-network interface layer 3 specification and testing method for basic call control procedure Part 2: Testing method for layer 3 basic call control protocol |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1420-2005 |
Technical requirements for jitter and wander in digital networks based on 2048kbit/s hierarchy |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| YD/T 1660-2007 |
Technical Specification and Testing Methods for NT1+ Plus Equipment |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 11444.4-1996 |
Transmitter,receiver and ground communication equipment used in domestic satellite communication earth stations-Technical requirements-Part 4: Intermediate data rate (IDR) transmission equipment |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 2900.69-2005 |
Electrotechnical Terminology—Integrated services digital network（ISDN）—Part 1:General aspects,IDT |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
|
|
