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Priority claimed from DE3931013Aexternal-prioritypatent/DE3931013C2/de
Priority claimed from DE4001011Aexternal-prioritypatent/DE4001011C1/de
Application filed by Ieg Ind Engineering GmbhfiledCriticalIeg Ind Engineering Gmbh
Priority claimed from EP90115958Aexternal-prioritypatent/EP0418572B1/de
Application grantedgrantedCritical
Publication of ATE82786T1publicationCriticalpatent/ATE82786T1/de