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 JP1972136664UpriorityCriticalpatent/JPS5313255Y2/ja
Publication of JPS4993184UpublicationCriticalpatent/JPS4993184U/ja
Application grantedgrantedCritical
Publication of JPS5313255Y2publicationCriticalpatent/JPS5313255Y2/ja