73525584
Mar 7, 1985
Sep 23, 1986
SEPARATORS IN THE FORM OF A DISPERSION AND SCREEN APPARATUS FOR DIVIDING GRANULAR OR PULVEROUS MINERAL RAW MATERIALS INTO A COARSE AND A FINE FRACTION
MachineryPROCESSING AND TREATMENT OF GRANULAR OR PULVEROUS MINERAL RAW MATERIALS IN THE FORM OF DISPERSING AND SCREENING THE SAID MATERIALS TO OBTAIN A DIVISION THEREOF INTO A COARSE FRACTION AND A FINE FRACTION
Treatment of Materials