| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 50416-2007 | English | RFQ |
ASK
|
Days<=5
|
Code for design of chambers around pit-bottom of coal mine
|
GB 50416-2007
| Obsolete |
GB 50416-2007
|