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Priority claimed from FR8411754Aexternal-prioritypatent/FR2567715B1/fr
Priority claimed from FR8417999Aexternal-prioritypatent/FR2573279B1/fr
Application filed by Lucas Georges EtsfiledCriticalLucas Georges Ets
Priority claimed from EP85401487Aexternal-prioritypatent/EP0172084B1/de
Application grantedgrantedCritical
Publication of ATE61904T1publicationCriticalpatent/ATE61904T1/de