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Priority claimed from LU86448Aexternal-prioritypatent/LU86448A1/en
Priority claimed from LU86671Aexternal-prioritypatent/LU86671A1/en
Application filed by Dieter KuhnertfiledCriticalDieter Kuhnert
Priority claimed from EP87903847Aexternal-prioritypatent/EP0307414B1/en
Application grantedgrantedCritical
Publication of ATE52572T1publicationCriticalpatent/ATE52572T1/en