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Priority claimed from FR8116736Aexternal-prioritypatent/FR2511849A1/en
Priority claimed from FR8122331Aexternal-prioritypatent/FR2516755B2/en
Application filed by Egretier & CiefiledCriticalEgretier & Cie
Publication of IT8223054A0publicationCriticalpatent/IT8223054A0/en
Application grantedgrantedCritical
Publication of IT1153724BpublicationCriticalpatent/IT1153724B/en