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Priority claimed from DE19762615844external-prioritypatent/DE2615844A1/de
Application filed by Knoll AgfiledCriticalKnoll Ag
Priority to AT31379ApriorityCriticalpatent/AT366410B/de
Publication of ATA31379ApublicationCriticalpatent/ATA31379A/de
Application grantedgrantedCritical
Publication of AT366410BpublicationCriticalpatent/AT366410B/de