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Priority claimed from DE2653588Aexternal-prioritypatent/DE2653588C2/de
Application filed by Kaltenbach & VoigtfiledCriticalKaltenbach & Voigt
Priority to AT914778ApriorityCriticalpatent/AT371332B/de
Publication of ATA914778ApublicationCriticalpatent/ATA914778A/de
Application grantedgrantedCritical
Publication of AT371332BpublicationCriticalpatent/AT371332B/de