GRINDING AND SEPARATING PLANT
GUBIN GRIGORIJ V,SU, MULYAVKO VALERIJ I,SU, NEBAJKIN VLADIMIR A,SU, KHARLAMOV VADIM S,SU, ZHOVTUKHA GRIGORIJ A,SU, BYZOV VLADIMIR F,SU
Year of Publication 30.12.1991
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Year of Publication 30.12.1991
Patent