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 JP14535674UpriorityCriticalpatent/JPS5520336Y2/ja
Publication of JPS5170973UpublicationCriticalpatent/JPS5170973U/ja
Application grantedgrantedCritical
Publication of JPS5520336Y2publicationCriticalpatent/JPS5520336Y2/ja