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Individual
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Individual
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Priority to ES50898ApriorityCriticalpatent/ES50898A1/en
Publication of ES50898A1publicationCriticalpatent/ES50898A1/en
ES50898A1911-07-121911-07-12
An improved process for the recovery of gold and silver from antimonial, arsenical and other gold-containing minerals.
ExpiredES50898A1
(en)