COLLECTOR FOR FLOTATION OF RARE AND NON-FERROUS METAL ORES
BYSTROVA INNA B,SU, KHAMIDOV BAKHTIER V,SU, GLEMBOTSKIJ ALEKSANDR V,SU, PAVLOCHEVA TATYANA V,SU
Year of Publication 25.12.1978
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Year of Publication 25.12.1978
Patent