| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DZ/T 0250-2010 | English | 649 |
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Days<=5
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Specifications for coalbed methane drilling engineering
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DZ/T 0250-2010
| Valid |
DZ/T 0250-2010
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