| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 909-1997 | English | RFQ |
ASK
|
Days<=6
|
General Technical Requests of STM-1 SDH Microwave Telecommunication Systems for 4~11GHz
|
YD/T 909-1997
| Obsolete |
YD/T 909-1997
|