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 JP11811575UpriorityCriticalpatent/JPS5544431Y2/ja
Publication of JPS5232220UpublicationCriticalpatent/JPS5232220U/ja
Application grantedgrantedCritical
Publication of JPS5544431Y2publicationCriticalpatent/JPS5544431Y2/ja