METHOD OF FLOTATION OF COAL
VASKO IVAN P,SU, KHOKHLOVA MARIYA P,SU, ZHDANOVA VALENTINA N,SU, MOROZOV OLEG A,SU, KAZAKOV NIKOLAJ V,SU, MOGILEVSKAYA ELIZAVETA E,SU, ROGOV NIKOLAJ M,SU
Year of Publication 07.03.1988
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Year of Publication 07.03.1988
Patent