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.)
Nihon Kogyo KK
Eneos Corp
Original Assignee
Nihon Kogyo KK
Nippon Mining 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 Nihon Kogyo KK, Nippon Mining Co LtdfiledCriticalNihon Kogyo KK
Priority to JP162981ApriorityCriticalpatent/JPS57116020A/ja
Publication of JPS57116020ApublicationCriticalpatent/JPS57116020A/ja
Publication of JPS6340414B2publicationCriticalpatent/JPS6340414B2/ja