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 JP4988576UpriorityCriticalpatent/JPS544819Y2/ja
Publication of JPS52140221UpublicationCriticalpatent/JPS52140221U/ja
Application grantedgrantedCritical
Publication of JPS544819Y2publicationCriticalpatent/JPS544819Y2/ja