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.)
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 filedfiledCritical
Priority to JP1986095939UpriorityCriticalpatent/JPH0441711Y2/ja
Priority to US07/059,639prioritypatent/US4781600A/en
Publication of JPS634117UpublicationCriticalpatent/JPS634117U/ja
Application grantedgrantedCritical
Publication of JPH0441711Y2publicationCriticalpatent/JPH0441711Y2/ja