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 JP7237873UpriorityCriticalpatent/JPS5042031Y2/ja
Publication of JPS5019768UpublicationCriticalpatent/JPS5019768U/ja
Application grantedgrantedCritical
Publication of JPS5042031Y2publicationCriticalpatent/JPS5042031Y2/ja