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Priority claimed from DE19813140761external-prioritypatent/DE3140761C2/en
Application filed by Telefunken Fernseh & RundfunkfiledCriticalTelefunken Fernseh & Rundfunk
Priority claimed from EP82109220Aexternal-prioritypatent/EP0077010B1/en
Application grantedgrantedCritical
Publication of ATE18619T1publicationCriticalpatent/ATE18619T1/en