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.)
Mitsubishi Materials Corp
Original Assignee
Mitsubishi Materials Corp
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 Mitsubishi Materials CorpfiledCriticalMitsubishi Materials Corp
Priority to JP1989054048UpriorityCriticalpatent/JPH0748820Y2/ja
Publication of JPH02144916UpublicationCriticalpatent/JPH02144916U/ja
Application grantedgrantedCritical
Publication of JPH0748820Y2publicationCriticalpatent/JPH0748820Y2/ja
