Surface structure of drill bit parts worked by two-stage group grinding
| Autor: | Bekrenev, A. N., Papshev, D. D., Akchurin, A. A., Filin, A. N. |
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| Zdroj: | Chemical and Petroleum Engineering; February 1979, Vol. 15 Issue: 2 p135-137, 3p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
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