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Priority claimed from DE19813127879external-prioritypatent/DE3127879C2/de
Priority claimed from DE19823204885external-prioritypatent/DE3204885C2/de
Application filed by Dautel Emil GmbhfiledCriticalDautel Emil Gmbh
Priority claimed from EP19820106095external-prioritypatent/EP0069991B1/de
Application grantedgrantedCritical
Publication of ATE33125T1publicationCriticalpatent/ATE33125T1/de