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Priority claimed from DE19772718167external-prioritypatent/DE2718167C2/en
Priority claimed from DE19782802696external-prioritypatent/DE2802696A1/en
Application filed by Siegenia Frank KgfiledCriticalSiegenia Frank Kg
Publication of ATA283478ApublicationCriticalpatent/ATA283478A/en
Application grantedgrantedCritical
Publication of AT366169BpublicationCriticalpatent/AT366169B/en