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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
B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
B03C1/00—Magnetic separation
B03C1/005—Pretreatment specially adapted for magnetic separation
B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
FR570493D1922-09-071923-09-03Procédé pour le triage des graines
ExpiredFR570493A
(fr)