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 JP1974071777UpriorityCriticalpatent/JPS562835Y2/ja
Publication of JPS511473UpublicationCriticalpatent/JPS511473U/ja
Application grantedgrantedCritical
Publication of JPS562835Y2publicationCriticalpatent/JPS562835Y2/ja