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Priority claimed from DE2404267Aexternal-prioritypatent/DE2404267A1/de
Priority claimed from DE19742428079external-prioritypatent/DE2428079A1/de
Application filed by Siegenia Frank KgfiledCriticalSiegenia Frank Kg
Publication of ATA949274ApublicationCriticalpatent/ATA949274A/de
Application grantedgrantedCritical
Publication of AT364271BpublicationCriticalpatent/AT364271B/de