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Priority claimed from FR8615180Aexternal-prioritypatent/FR2605968B1/fr
Priority claimed from FR8706374Aexternal-prioritypatent/FR2614866B2/fr
Application filed by Look SafiledCriticalLook Sa
Priority claimed from EP87402211Aexternal-prioritypatent/EP0270388B1/de
Application grantedgrantedCritical
Publication of ATE54634T1publicationCriticalpatent/ATE54634T1/de