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Priority claimed from DE19873724710external-prioritypatent/DE3724710A1/de
Priority claimed from DE19873724711external-prioritypatent/DE3724711A1/de
Application filed by Schulte Schlagbaum AgfiledCriticalSchulte Schlagbaum Ag
Priority claimed from EP19880111289external-prioritypatent/EP0301324B1/de
Application grantedgrantedCritical
Publication of ATE80746T1publicationCriticalpatent/ATE80746T1/de