| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL 501-1992 | English | RFQ |
ASK
|
Days<=3
|
Aerial power transmission line audible noise measuring method
|
DL 501-1992
| Obsolete |
DL 501-1992
|