Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Rio Tinto Co Ltd
Original Assignee
Rio Tinto Co Ltd
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Filing date
Publication date
Application filed by Rio Tinto Co LtdfiledCriticalRio Tinto Co Ltd
Priority to ES2584ApriorityCriticalpatent/ES2584A1/es
Publication of ES2584A1publicationCriticalpatent/ES2584A1/es
ES2584A1882-07-191882-07-19Nuevo procedimiento para calcinar al aire libre las piritas de hierro cobrizas de la provincia de Huelva.
ExpiredES2584A1
(es)
Menetelmä erinomaisilla mekaanisilla ominaisuuksilla varustetun terästuotteen valmistamiseksi, menetelmällä valmistettu terästuote ja muokkauslujitetun teräksen käyttö
Un nuevo sistema de utilización del aire comprimido que ha prestado ya su trabajo motor para la producción del frío aplicable principalmente a la conservación de las sustancias.