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 JP1975137602UpriorityCriticalpatent/JPS542863Y2/ja
Publication of JPS5251770UpublicationCriticalpatent/JPS5251770U/ja
Application grantedgrantedCritical
Publication of JPS542863Y2publicationCriticalpatent/JPS542863Y2/ja