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Priority claimed from DE19863635809external-prioritypatent/DE3635809A1/de
Priority claimed from DE19873713001external-prioritypatent/DE3713001A1/de
Application filed by Wilhelmstal Werke GmbhfiledCriticalWilhelmstal Werke Gmbh
Priority claimed from EP87113175Aexternal-prioritypatent/EP0264606B1/de
Application grantedgrantedCritical
Publication of ATE49562T1publicationCriticalpatent/ATE49562T1/de