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Magnetic hydroseparation instead of desliming for the conditions of Northern GOK за авторством K. V. Babii, V. V. Cholyshkina, O. O. Usov, V. S. Kurilov

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Method and technical means for preventing coal-and-gas outburst during development of preparatory roadways in the gas-bearing coal seams за авторством Ye. Maltseva, Ya. Trokhymets, O. O. Usov, S. P. Minieiev, L. M. Vasyliev

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