| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 51029-2015 | English | RFQ |
ASK
|
Days<=11
|
Standard for Quality Evaluation of Shaft and Drift Engineering in Coal Mine
|
NB/T 51029-2015
| Valid |
NB/T 51029-2015
|