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 JP1972023965UpriorityCriticalpatent/JPS5142438Y2/ja
Publication of JPS4899264UpublicationCriticalpatent/JPS4899264U/ja
Application grantedgrantedCritical
Publication of JPS5142438Y2publicationCriticalpatent/JPS5142438Y2/ja