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 JP15086075ApriorityCriticalpatent/JPS5273977A/ja
Publication of JPS5273977ApublicationCriticalpatent/JPS5273977A/ja
Publication of JPS5321906B2publicationCriticalpatent/JPS5321906B2/ja