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.)
Dai Nippon Toryo Co Ltd
Original Assignee
Dai Nippon Toryo 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 Dai Nippon Toryo Co LtdfiledCriticalDai Nippon Toryo Co Ltd
Priority to JP50101850ApriorityCriticalpatent/JPS5224992A/ja
Publication of JPS5224992ApublicationCriticalpatent/JPS5224992A/ja
Publication of JPS5651198B2publicationCriticalpatent/JPS5651198B2/ja