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Priority claimed from JP14495274Aexternal-prioritypatent/JPS5175041A/ja
Priority claimed from JP14495474Aexternal-prioritypatent/JPS5171276A/ja
Application filed by Dainippon Toryo KkfiledCriticalDainippon Toryo Kk
Publication of ATA421877ApublicationCriticalpatent/ATA421877A/de
Application grantedgrantedCritical
Publication of AT351617BpublicationCriticalpatent/AT351617B/de