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Strengthening of parts of tongs for underground repair of a well by concentrated flows of energy |
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| Authors: | S. M. Éskin V. N. Dimitrov A. V. Panfilov |
| Abstract: | Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 2, pp. 34–35, February, 1990. |
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