Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
NB/T 10739-2021 | English | 439 |
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Days<=4
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Auxiliary transportation safety management specification for underground coal mine
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NB/T 10739-2021
| Valid |
NB/T 10739-2021
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