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Priority claimed from FR7930910Aexternal-prioritypatent/FR2473359A1/fr
Priority claimed from FR8023293Aexternal-prioritypatent/FR2493187A2/fr
Application filed by Jean AmiautfiledCriticalJean Amiaut
Priority claimed from PCT/FR1980/000184external-prioritypatent/WO1981001670A1/fr
Application grantedgrantedCritical
Publication of ATE12190T1publicationCriticalpatent/ATE12190T1/de