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Priority claimed from DE19752546288external-prioritypatent/DE2546288A1/de
Priority claimed from DE19762610060external-prioritypatent/DE2610060A1/de
Application filed by Gnade Karl HeinzfiledCriticalGnade Karl Heinz
Publication of ATA770276ApublicationCriticalpatent/ATA770276A/de
Application grantedgrantedCritical
Publication of AT353626BpublicationCriticalpatent/AT353626B/de