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Priority claimed from JP6802275Aexternal-prioritypatent/JPS51145477A/ja
Priority claimed from JP7127875Aexternal-prioritypatent/JPS51146435A/ja
Priority claimed from JP10000175Aexternal-prioritypatent/JPS52122285A/ja
Application filed by Dainippon Toryo KkfiledCriticalDainippon Toryo Kk
Publication of ATA545077ApublicationCriticalpatent/ATA545077A/de
Application grantedgrantedCritical
Publication of AT350124BpublicationCriticalpatent/AT350124B/de