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Чернов, Б. О.; Мірненко, В. І.; Ткач, М. Я. THE INCREASE OF RUST RESISTANCE OF THE DRILLING STRING ELEMENTS BY MEANS OF VACUUM GAS-AND-THERMAL CYCLE AND ION-PLASMA NITRATION B. O. CHERNOV, V. I. MIRNENKO, M. YA. TKACH. ogpe 2014, 21-26.