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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
B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
B03B1/02—Preparatory heating
FR718751D1931-06-171931-06-17
Enrichment processes for oolitic iron ores and in particular iron ores from eastern France
ExpiredFR718751A
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