| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YD 2007-1993 |
|
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| GB/T 14733.1-1993 |
Terminology for telecommunications Telecommunications,channels and networks |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 14733.4-1993 |
Terminology for telecommunications－Switching |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD 5084-1999 |
Interim Provisions for Test of Anti-seismic Performances of Digital Program Control Switching Equipment |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD 144-1978 |
|
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GF 014-1995 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD 122-1976 |
|
 (USD) |
via email in
1 business day
|
SUPERSEDED
|
|
| YDJ 26-1989 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 21431-2015 |
Technical code for inspection of lightning protection system in building |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YD/T 950-1998 |
Technical requirements and test methods for protection against overvoltages and overcurrents on telecommunication switching equipment |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD/T 741-1995 |
|
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD/T 638.3-1998 |
The naming rule of types of telecommunication power supply |
 (USD) |
via email in
1-3 business day
|
|
|
| YD/T 643-1993 |
|
 (USD) |
via email in
1 business day
|
ABOLISHED
|
|
| YD/T 5003-2005 |
Specifications of Engineering Design for Telecommunication Private Premise |
 (USD) |
via email in
1-8 business day
|
ABOLISHED
|
|
| GB 4824-1996 |
Limits and methods of measurement of electromagnetic disturbance characteristics of industrial scientific and medical (ISM) radio frequency equipment |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 14733.2-1993 |
Terminology for telecommunications－Transmission lines and waveguides |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| GB 6830-1986 |
The tolerable limits of danger on telecommunication lines from power lines |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 21431-2015/XG1-2018 |
Technical code for inspection of lightning protection system in building |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YDB 123-2013 |
Technical requirements of smart home system |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| QX 3-2000 |
Technical specifications for protecting the meteorological information system from lightning electromagnetic impulse |
|
via email in
|
|
please email coc@codeofchina.com for quotation
|
|
|
