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Priority claimed from DE2903401Aexternal-prioritypatent/DE2903401C2/de
Priority claimed from DE2942994Aexternal-prioritypatent/DE2942994C2/de
Application filed by Kurt Vogelsang GmbhfiledCriticalKurt Vogelsang Gmbh
Priority claimed from EP79104919Aexternal-prioritypatent/EP0013721B1/de
Application grantedgrantedCritical
Publication of ATE478T1publicationCriticalpatent/ATE478T1/de