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Priority claimed from AT0321075Aexternal-prioritypatent/AT372564B/de
Application filed by AmpexfiledCriticalAmpex
Priority to AT28379ApriorityCriticalpatent/AT381604B/de
Publication of ATA28379ApublicationCriticalpatent/ATA28379A/de
Application grantedgrantedCritical
Publication of AT381604BpublicationCriticalpatent/AT381604B/de