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 JP7863476UpriorityCriticalpatent/JPS5628918Y2/ja
Publication of JPS52171521UpublicationCriticalpatent/JPS52171521U/ja
Application grantedgrantedCritical
Publication of JPS5628918Y2publicationCriticalpatent/JPS5628918Y2/ja