| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 0015.1-1998 | English | RFQ |
ASK
|
Days<=6
|
Design code for oil and gas transportation pipeline crossing engineering-Underground crossing engineering
|
SY/T 0015.1-1998
| Obsolete |
SY/T 0015.1-1998
|