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.)
Nikko Engineering Co Ltd
Eneos Corp
Original Assignee
Nippon Mining Co Ltd
Nikko Engineering 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 Nippon Mining Co Ltd, Nikko Engineering Co LtdfiledCriticalNippon Mining Co Ltd
Priority to JP1555480ApriorityCriticalpatent/JPS56113647A/ja
Publication of JPS56113647ApublicationCriticalpatent/JPS56113647A/ja
Publication of JPS6122655B2publicationCriticalpatent/JPS6122655B2/ja