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 JP2764871UpriorityCriticalpatent/JPS514971Y2/ja
Publication of JPS4723405UpublicationCriticalpatent/JPS4723405U/ja
Application grantedgrantedCritical
Publication of JPS514971Y2publicationCriticalpatent/JPS514971Y2/ja