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 JP1986100371UpriorityCriticalpatent/JPH0453310Y2/ja
Publication of JPS634852UpublicationCriticalpatent/JPS634852U/ja
Priority to US07/281,835prioritypatent/US4906085A/en
Application grantedgrantedCritical
Publication of JPH0453310Y2publicationCriticalpatent/JPH0453310Y2/ja