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Priority claimed from FR8020870Aexternal-prioritypatent/FR2490690A1/fr
Priority claimed from FR8115789Aexternal-prioritypatent/FR2511403A2/fr
Application filed by Jacques ChapuitfiledCriticalJacques Chapuit
Publication of IT8112633A0publicationCriticalpatent/IT8112633A0/it
Application grantedgrantedCritical
Publication of IT1145942BpublicationCriticalpatent/IT1145942B/it