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Priority claimed from DE19803045644external-prioritypatent/DE3045644A1/de
Priority claimed from DE19813101337external-prioritypatent/DE3101337A1/de
Application filed by Vepa AgfiledCriticalVepa Ag
Priority claimed from EP81109088Aexternal-prioritypatent/EP0053710B1/de
Application grantedgrantedCritical
Publication of ATE17754T1publicationCriticalpatent/ATE17754T1/de