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Individual
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Priority to ES13767ApriorityCriticalpatent/ES13767A1/en
Publication of ES13767A1publicationCriticalpatent/ES13767A1/en
ES13767A1892-09-101892-09-10
Improvements in the procedure to obtain different kinds of metals from their minerals or pebbles by means of electricity.
ExpiredES13767A1
(en)