| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 50253-2003 | English | RFQ |
ASK
|
Days<=14
|
Code for design of oil transportation pipeline engineering
|
GB 50253-2003
| Obsolete |
GB 50253-2003
|