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Priority claimed from FR7928516Aexternal-prioritypatent/FR2469171A1/fr
Priority claimed from FR8015321Aexternal-prioritypatent/FR2485912A2/fr
Application filed by Joseph PolletfiledCriticalJoseph Pollet
Priority claimed from EP19800420126external-prioritypatent/EP0029401B1/de
Application grantedgrantedCritical
Publication of ATE5368T1publicationCriticalpatent/ATE5368T1/de