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Productivity and parameters of screw-drive sinking machines |
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| Authors: | Éller A. F. |
| Abstract: | Institute of Coal, Siberian Branch, Academy of Sciences of the USSR, Kemerovo. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 6, pp. 37–42, November–December, 1989. |
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