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Individual
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Individual
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Priority to ES47911ApriorityCriticalpatent/ES47911A2/es
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Un procedimiento para reducir y fundir minerales en estufas u hornos de fundir eléctricos con galería superpuesta, recorrida por los gases calientes escapados de la citada estufa u horno de fundir.
Un nuevo procedimiento de torrefacción o tueste perfecto de los minerales en hornos de todos los sistemas, con su correspondiente dispositivo mecánico para realizarlo.