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Priority claimed from FR8504848Aexternal-prioritypatent/FR2579823B1/en
Priority claimed from FR8512419Aexternal-prioritypatent/FR2586326B1/en
Application filed by VideocolorfiledCriticalVideocolor
Priority claimed from EP19860400661external-prioritypatent/EP0198753B1/en
Application grantedgrantedCritical
Publication of ATE49321T1publicationCriticalpatent/ATE49321T1/en