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Priority claimed from DE8809823Uexternal-prioritypatent/DE8809823U1/de
Priority claimed from DE8906866Uexternal-prioritypatent/DE8906866U1/de
Application filed by Hegenscheidt Gmbh WilhelmfiledCriticalHegenscheidt Gmbh Wilhelm
Priority claimed from EP89110506Aexternal-prioritypatent/EP0353427B1/de
Application grantedgrantedCritical
Publication of ATE82178T1publicationCriticalpatent/ATE82178T1/de