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Individual
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Priority to ES43412ApriorityCriticalpatent/ES43412A1/es
Publication of ES43412A1publicationCriticalpatent/ES43412A1/es
ES43412A1908-06-081908-06-08Un procedimiento perfeccionado para la fabricación del hierro y del acero, de los minerales de ópidos de hierro.
ExpiredES43412A1
(es)
Un procedimiento perfeccionado para beneficiar directamente los minerales de hierro y someterlos a ulterior tratamiento para la fabricación de hierro y acero forjados por medio del aparato que se describe.