Increasing the efficiency of underground short-hole drilling by combined action of axial and moment pulses.
| Autor: | Grinko, D. A.1, Grinko, A. A.1 |
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| Zdroj: | Mining & Quarry World (2018). Jun2023, Vol. 20 Issue 3, p46-50. 5p. |
| Databáze: | Business Source Ultimate |
| Externí odkaz: |
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