| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YD 5069-1998 |
The Engineering Design Specification of Mobile Data Network |
495 (USD) |
via email in
1-5 business day
|
VALID
|
|
| YD/T 551-1992 |
Document facsimile transmission(group1)in telephone network |
220 (USD) |
via email in
1 business day
|
VALID
|
|
| YD/T 558-1992 |
The Xin-8 Transposition System for Open-wire Telecommunication Lines |
105 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 10198.1-1988 |
Requirements for facsimile apparatus-Group I documents facsimile apparatus |
30 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 11054-1989 |
Characteristics of special quality leased circuits with basic bandwidth conditioning |
120 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD/T 557-1992 |
The Xin-4 Transposition System for Open-wire Telecommunication Line |
75 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 800-1996 |
|
360 (USD) |
via email in
1-3 business day
|
|
|
| GB/T 4827-1984 |
Requirements of data transmission at 50 bit/s |
150 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 39083-2020 |
Specification of express service payment information exchange |
675 (USD) |
via email in
1 business day
|
VALID
|
|
| GB 4828-1984 |
Transmission requirements of frequency-modulated voice-frequency telegraph for a modulation rate of |
150 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| GB/T 12365-1990 |
Technical parameters for short distance optical cable transmission of broadcasting and television |
90 (USD) |
via email in
1-3 business day
|
|
|
| YZ/T 0141-2015 |
Guidelines of express service information exchange for cash on delivery |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
|
|
