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Priority claimed from DE19813130323external-prioritypatent/DE3130323A1/de
Priority claimed from DE19823204244external-prioritypatent/DE3204244A1/de
Application filed by Friedrich BuercherfiledCriticalFriedrich Buercher
Priority claimed from EP19820106873external-prioritypatent/EP0071273B1/de
Application grantedgrantedCritical
Publication of ATE16361T1publicationCriticalpatent/ATE16361T1/de