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Individual
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Priority to ES35194ApriorityCriticalpatent/ES35194A1/es
Publication of ES35194A1publicationCriticalpatent/ES35194A1/es
ES35194A1904-12-201904-12-20Un procedimiento para el tratamiento de los minerales y productos metalúrgicos en los hornos eléctricos.
ExpiredES35194A1
(es)