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.)
Matsumura Oil Research Corp
Toray Engineering Co Ltd
Original Assignee
Matsumura Oil Research Corp
Toray 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 Matsumura Oil Research Corp, Toray Engineering Co LtdfiledCriticalMatsumura Oil Research Corp
Priority to JP10985487UpriorityCriticalpatent/JPH061381Y2/ja
Publication of JPS6413308UpublicationCriticalpatent/JPS6413308U/ja
Application grantedgrantedCritical
Publication of JPH061381Y2publicationCriticalpatent/JPH061381Y2/ja