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Priority claimed from DE19823240918external-prioritypatent/DE3240918C2/de
Priority claimed from DE19833318157external-prioritypatent/DE3318157A1/de
Application filed by Josef NiebauerfiledCriticalJosef Niebauer
Priority claimed from EP83106927Aexternal-prioritypatent/EP0102488B1/de
Application grantedgrantedCritical
Publication of ATE23467T1publicationCriticalpatent/ATE23467T1/de