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 JP1980145507UpriorityCriticalpatent/JPS6222912Y2/ja
Publication of JPS5769058UpublicationCriticalpatent/JPS5769058U/ja
Application grantedgrantedCritical
Publication of JPS6222912Y2publicationCriticalpatent/JPS6222912Y2/ja