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B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
B03D1/00—Flotation
FR643068D1927-01-151927-01-15Appareil de traitement et d'épuration des graphites et matières diverses
ExpiredFR643068A
(fr)