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Priority claimed from DE19803009770external-prioritypatent/DE3009770A1/de
Priority claimed from DE19803048839external-prioritypatent/DE3048839A1/de
Application filed by Hymmen GmbhfiledCriticalHymmen Gmbh
Priority claimed from EP81101787Aexternal-prioritypatent/EP0036176B1/de
Application grantedgrantedCritical
Publication of ATE14693T1publicationCriticalpatent/ATE14693T1/de