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
Filing date
Publication date
Priority claimed from JP7474874Uexternal-prioritypatent/JPS513393U/ja
Priority claimed from JP49078422Aexternal-prioritypatent/JPS5235326B2/ja
Application filed by Mitsui Mining and Smelting Co LtdfiledCriticalMitsui Mining and Smelting Co Ltd
Application grantedgrantedCritical
Publication of AU8130375ApublicationCriticalpatent/AU8130375A/en
Publication of AU492600B2publicationCriticalpatent/AU492600B2/en