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Asturiana de Zinc SA
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Asturiana de Zinc SA
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Publication date
Application filed by Asturiana de Zinc SAfiledCriticalAsturiana de Zinc SA
Priority to ES0328913ApriorityCriticalpatent/ES328913A2/es
Publication of ES328913A2publicationCriticalpatent/ES328913A2/es
Hydrometalurgic process for extracting zinc and partly copper extracting, as well as for lead and silver recuperating from zinc containing sulphidic materials