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.)
Nippon Steel Corp
Iwatani Corp
Nippon Steel Chemical and Materials Co Ltd
Sekisui Kasei Co Ltd
Original Assignee
Nippon Steel Corp
Nippon Steel Chemical Co Ltd
Iwatani Corp
Sekisui Kasei 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 Steel Corp, Nippon Steel Chemical Co Ltd, Iwatani Corp, Sekisui Kasei Co LtdfiledCriticalNippon Steel Corp
Priority to JP9173790UpriorityCriticalpatent/JPH0717340Y2/ja
Publication of JPH0450414UpublicationCriticalpatent/JPH0450414U/ja
Application grantedgrantedCritical
Publication of JPH0717340Y2publicationCriticalpatent/JPH0717340Y2/ja