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 JP1975104456UpriorityCriticalpatent/JPS5643509Y2/ja
Publication of JPS5219817UpublicationCriticalpatent/JPS5219817U/ja
Application grantedgrantedCritical
Publication of JPS5643509Y2publicationCriticalpatent/JPS5643509Y2/ja