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Priority claimed from DE19863638356external-prioritypatent/DE3638356C1/de
Priority claimed from DE19863643964external-prioritypatent/DE3643964C1/de
Application filed by Siegenia Frank KgfiledCriticalSiegenia Frank Kg
Priority claimed from EP87111676Aexternal-prioritypatent/EP0268748B1/de
Application grantedgrantedCritical
Publication of ATE63595T1publicationCriticalpatent/ATE63595T1/de