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 JP6959572UpriorityCriticalpatent/JPS5021853Y2/ja
Publication of JPS4928832UpublicationCriticalpatent/JPS4928832U/ja
Application grantedgrantedCritical
Publication of JPS5021853Y2publicationCriticalpatent/JPS5021853Y2/ja