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 JP1981035134UpriorityCriticalpatent/JPH0233430Y2/ja
Publication of JPS57148973UpublicationCriticalpatent/JPS57148973U/ja
Application grantedgrantedCritical
Publication of JPH0233430Y2publicationCriticalpatent/JPH0233430Y2/ja