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DIN 20311:2002-11
Drill tubes with diameters exceeding 100 mm for large hole boring in mining
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Summary
The document specifies dimensions, materials and designations of drill pipes for large diameter hole drilling in mining.
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 11/01/2002 |
| Page Count | 5 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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01/11/2002
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01/06/1990
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