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Priority claimed from DE19813123638external-prioritypatent/DE3123638A1/de
Priority claimed from DE19813123706external-prioritypatent/DE3123706A1/de
Application filed by Fredenhagen KgfiledCriticalFredenhagen Kg
Priority claimed from EP82105083Aexternal-prioritypatent/EP0067421B2/de
Application grantedgrantedCritical
Publication of ATE18175T1publicationCriticalpatent/ATE18175T1/de