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Priority to ES58449ApriorityCriticalpatent/ES58449A1/es
Publication of ES58449A1publicationCriticalpatent/ES58449A1/es
ES58449A1914-06-131914-06-13Un procedimiento y sus correspondientes aparatos para transformar en zinc líquido los vapores de zinc.
ExpiredES58449A1
(es)
Un nuevo procedimiento de torrefacción o tueste perfecto de los minerales en hornos de todos los sistemas con su correspondiente dispositivo mecánico para realizarlo.