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DZ/T 0050-1993 Active
DZ/T 0050-1993 The technical specifications for stand-pipe type geological core drilling machines
General Product Information
| Document Type | Industry standards-Geology |
|---|---|
| Standard Status | Active |
| Standard Code | DZ/T 0050-1993 |
| Implement Date | 1993-07-01 |
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$ 36
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$ 36
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$ 36