| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| DZ/T 0054-1993 | English | 679 |
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Days<=5
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(Directional drilling technology specification conditions)
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DZ/T 0054-1993
| Obsolete |
DZ/T 0054-1993
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