A study of effects of drill point geometry of GPT and DHJ drills on drilling efficiency
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| Format: | Article |
| Language: | Slovak English |
| PhysicalDescription: | Grafy, sch. |
| ISSN: | 1335-7972 |
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| Physical Description: | Grafy, sch. |
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| ISSN: | 1335-7972 |
| Bibliography: | Bibliogr. odkazy |
