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 JP1972087998UpriorityCriticalpatent/JPS5247841Y2/ja
Publication of JPS4947405UpublicationCriticalpatent/JPS4947405U/ja
Application grantedgrantedCritical
Publication of JPS5247841Y2publicationCriticalpatent/JPS5247841Y2/ja