METHOD OF WINNING MINERAL von BELINSKIJ IGOR LVOVICH,SU, KHARCHENKO VLADIMIR VASILEVICH,SU, MALOV VENIAMIN IVANOVICH,SU, SREBNYJ MIKHAIL ALEKSANDROVICH,SU, KOLOKOLOV OLEG VASILEVICH,SU, BURCHAKOV ANATOLIJ SEMENOVICH,SU, TARADAJKO VALENTIN GRIGOREVICH,SU

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