Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Espanola Zinc SA
Original Assignee
Espanola Zinc SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Espanola Zinc SAfiledCriticalEspanola Zinc SA
Priority to ES465660ApriorityCriticalpatent/ES465660A1/es
Publication of ES465660A1publicationCriticalpatent/ES465660A1/es