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 JP10340473UpriorityCriticalpatent/JPS549458Y2/ja
Publication of JPS5049506UpublicationCriticalpatent/JPS5049506U/ja
Application grantedgrantedCritical
Publication of JPS549458Y2publicationCriticalpatent/JPS549458Y2/ja