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Priority claimed from FR8415439Aexternal-prioritypatent/FR2571338A1/en
Priority claimed from FR8504078Aexternal-prioritypatent/FR2578783A1/en
Application filed by Cod Int Tech SafiledCriticalCod Int Tech Sa
Priority claimed from EP85904788Aexternal-prioritypatent/EP0197073B1/en
Application grantedgrantedCritical
Publication of ATE42937T1publicationCriticalpatent/ATE42937T1/en