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Priority claimed from DE3818289Aexternal-prioritypatent/DE3818289A1/de
Priority claimed from DE3828011Aexternal-prioritypatent/DE3828011A1/de
Application filed by Siegenia Frank KgfiledCriticalSiegenia Frank Kg
Priority claimed from EP89108453Aexternal-prioritypatent/EP0344492B1/de
Application grantedgrantedCritical
Publication of ATE92609T1publicationCriticalpatent/ATE92609T1/de