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Hardening treatment for the sliding supports of drill bits |
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| Authors: | O. V. Sizova A. V. Kolubaev V. I. Koveshnikov G. V. Trusova S. Yu. Tarasov |
| Abstract: | Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 4, pp. 25–27, April, 1993. |
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