| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 50511-2010 | English | RFQ |
ASK
|
Days<=3
|
Code for construction of shaft and roadway of coal mine
|
GB 50511-2010
| Obsolete |
GB 50511-2010
|