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 JP16160475UpriorityCriticalpatent/JPS5438875Y2/ja
Publication of JPS5273695UpublicationCriticalpatent/JPS5273695U/ja
Application grantedgrantedCritical
Publication of JPS5438875Y2publicationCriticalpatent/JPS5438875Y2/ja