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 JP1976177948UpriorityCriticalpatent/JPS5520379Y2/ja
Publication of JPS52167463UpublicationCriticalpatent/JPS52167463U/ja
Application grantedgrantedCritical
Publication of JPS5520379Y2publicationCriticalpatent/JPS5520379Y2/ja
