| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 552-1992 | English | RFQ |
ASK
|
Days<=3
|
Test method of continuity attenuation distortion in communication network
|
YD/T 552-1992
| Obsolete |
YD/T 552-1992
|