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 Kinzoku 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 JP13633376ApriorityCriticalpatent/JPS5360812A/ja
Publication of JPS5360812ApublicationCriticalpatent/JPS5360812A/ja
Publication of JPS5761101B2publicationCriticalpatent/JPS5761101B2/ja