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Priority to ES32821ApriorityCriticalpatent/ES32821A1/es
Publication of ES32821A1publicationCriticalpatent/ES32821A1/es
ES32821A1903-11-061903-11-06Mejoras en el procedimiento para seducir el mineral de hierro a hierro esponjoso por medio del horno que se describe.
ExpiredES32821A1
(es)
Un procedimiento para separar el polvo que no contenga mineral del mineral de hierro de hierro finamente pulverizado por medio del aparato que se describe.