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.)
Kawahara Seiskusho and Mitsui Mining and Smelting Co Ltd
Original Assignee
Kawahara Seiskusho and 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 Kawahara Seiskusho and Mitsui Mining and Smelting Co LtdfiledCriticalKawahara Seiskusho and Mitsui Mining and Smelting Co Ltd
Priority to AU65680/74ApriorityCriticalpatent/AU469747B2/en
Publication of AU6568074ApublicationCriticalpatent/AU6568074A/en
Application grantedgrantedCritical
Publication of AU469747B2publicationCriticalpatent/AU469747B2/en