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 JP1972080157UpriorityCriticalpatent/JPS5717509Y2/ja
Publication of JPS4937785UpublicationCriticalpatent/JPS4937785U/ja
Application grantedgrantedCritical
Publication of JPS5717509Y2publicationCriticalpatent/JPS5717509Y2/ja