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.)
Mitsui Mining and Smelting Co Ltd
Original Assignee
Mitsui Mining and Smelting Co Ltd
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 Mitsui Mining and Smelting Co LtdfiledCriticalMitsui Mining and Smelting Co Ltd
Priority to JP11783085ApriorityCriticalpatent/JPS61276511A/ja
Publication of JPS61276511ApublicationCriticalpatent/JPS61276511A/ja
Publication of JPH0480683B2publicationCriticalpatent/JPH0480683B2/ja
