| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DZ/T 0053-2021 | English | 629 |
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Days<=5
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(Technical specification for hydraulic impact rotary drilling)
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DZ/T 0053-2021
| Valid |
DZ/T 0053-2021
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