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Priority claimed from EP19900117076external-prioritypatent/EP0422387A3/de
Application filed by Kuehmichel Fa AlfredfiledCriticalKuehmichel Fa Alfred
Priority claimed from EP90125403Aexternal-prioritypatent/EP0473841B1/de
Application grantedgrantedCritical
Publication of ATE97104T1publicationCriticalpatent/ATE97104T1/de