FOARMING REAGENT FOR COAL FLOTATION PROCESS von KUTLUGIL'DIN N.Z, ZHIRNOV B.S, VERETENNIKOV A.F, PAKSJUTOV G.V, PETUKHOV V.N

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METHANE CONVERTER MIXER von ZEZIN V.G, OSIPCHUK I.A, ISTOMIN N.N, OSIPOV V.P, GOLOVIN V.M, PAKSJUTOV G.V, SAVCHENKOV V.I, NURTDINOVA N.K, SHKANDYKOV V.A, ALEKHIN G.V

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