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 Pencil Co Ltd
Original Assignee
Mitsubishi Pencil 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 Mitsubishi Pencil Co LtdfiledCriticalMitsubishi Pencil Co Ltd
Priority to JP1988029510UpriorityCriticalpatent/JPH0621754Y2/ja
Publication of JPH01131583UpublicationCriticalpatent/JPH01131583U/ja
Application grantedgrantedCritical
Publication of JPH0621754Y2publicationCriticalpatent/JPH0621754Y2/ja
