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 JP1972014022UpriorityCriticalpatent/JPS543585Y2/ja
Publication of JPS4890474UpublicationCriticalpatent/JPS4890474U/ja
Application grantedgrantedCritical
Publication of JPS543585Y2publicationCriticalpatent/JPS543585Y2/ja