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Priority claimed from JP14495574Aexternal-prioritypatent/JPS5171277A/ja
Priority claimed from JP14495274Aexternal-prioritypatent/JPS5175041A/ja
Application filed by Dainippon Toryo KkfiledCriticalDainippon Toryo Kk
Publication of ATA421977ApublicationCriticalpatent/ATA421977A/de
Application grantedgrantedCritical
Publication of AT349546BpublicationCriticalpatent/AT349546B/de