| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 51009-2013 | English | 1479 |
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Days<=8
|
Code of the Coal Geological Engineering Supervision
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NB/T 51009-2013
| Valid |
NB/T 51009-2013
|