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DIN 21521-1:1990-07
Rock bolts for mining and tunnelling; terms
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Summary
Gebirgsanker für den Bergbau und den Tunnelbau; Begriffe
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 07/01/1990 |
| Page Count | 6 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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