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 JP1972046475UpriorityCriticalpatent/JPS532311Y2/ja
Publication of JPS496497UpublicationCriticalpatent/JPS496497U/ja
Application grantedgrantedCritical
Publication of JPS532311Y2publicationCriticalpatent/JPS532311Y2/ja