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Individual
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Individual
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Priority to ES47660ApriorityCriticalpatent/ES47660A1/es
Publication of ES47660A1publicationCriticalpatent/ES47660A1/es
ES47660A1910-03-291910-03-29Un procedimiento para fundir en un convertidor matas y minerales cobrizos, convirtiéndolos en cobre metálico.
ExpiredES47660A1
(es)