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 JP6061975UpriorityCriticalpatent/JPS559808Y2/ja
Publication of JPS51140775UpublicationCriticalpatent/JPS51140775U/ja
Application grantedgrantedCritical
Publication of JPS559808Y2publicationCriticalpatent/JPS559808Y2/ja