| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 7621-1987 | English | 559 |
Add to Cart
|
Days<=3
|
1200 bits per second duplex modem standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephone circuits
|
GB/T 7621-1987
| |
GB/T 7621-1987
|