| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 50419-2007 | English | RFQ |
ASK
|
Days<=10
|
Code for design of roadway section and junction of coal mine
|
GB 50419-2007
| Obsolete |
GB 50419-2007
|