| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 50215-1994 | English | RFQ |
ASK
|
Days<=3
|
Code for the colliery design of coal mining industry
|
GB 50215-1994
| Obsolete |
GB 50215-1994
|