Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Related Standard | Status | Google Book |
YB 4391-2013 | English | RFQ |
ASK
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Days<=3
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Code for acceptance of sinking and drifting engineering of ferrous mines
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YB 4391-2013
| Valid |
YB 4391-2013
|
YB 4391-2013 | Chinese | 79 |
Add to Cart
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<=1-day
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[PDF from Chinese Authority, or Standard Committee, or Publishing House]
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