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
Priority claimed from JP14495274Aexternal-prioritypatent/JPS5175041A/ja
Priority claimed from JP14495374Aexternal-prioritypatent/JPS5171275A/ja
Application filed by Dainippon Toryo KkfiledCriticalDainippon Toryo Kk
Publication of ATA421777ApublicationCriticalpatent/ATA421777A/de
Application grantedgrantedCritical
Publication of AT348039BpublicationCriticalpatent/AT348039B/de