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 JP1972095449UpriorityCriticalpatent/JPS5256839Y2/ja
Publication of JPS4953726UpublicationCriticalpatent/JPS4953726U/ja
Application grantedgrantedCritical
Publication of JPS5256839Y2publicationCriticalpatent/JPS5256839Y2/ja