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 JP14994974UpriorityCriticalpatent/JPS555374Y2/ja
Publication of JPS5174947UpublicationCriticalpatent/JPS5174947U/ja
Application grantedgrantedCritical
Publication of JPS555374Y2publicationCriticalpatent/JPS555374Y2/ja