| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DL 647-1998 | English | RFQ |
ASK
|
Days<=14
|
Inspection code for boiler and pressure vessel of the power industry
|
DL 647-1998
| Obsolete |
DL 647-1998
|