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Iron oxides artificial magnetic intended for the preparation of the liquors dense to the enrichment gravimetric filling of the brushes and minerals, and a method for the preparation of these oxides on the basis of the nonmagnetic iron ores
Iron oxides artificial magnetic intended for the preparation of the liquors dense to the enrichment gravimetric filling of the brushes and minerals, and a method for the preparation of these oxides on the basis of the nonmagnetic iron ores
