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Priority claimed from FR7919168Aexternal-prioritypatent/FR2462645A1/fr
Priority claimed from FR8012620Aexternal-prioritypatent/FR2484053A2/fr
Application filed by Raoul FremyfiledCriticalRaoul Fremy
Priority claimed from EP80401034Aexternal-prioritypatent/EP0023853B1/de
Application grantedgrantedCritical
Publication of ATE3328T1publicationCriticalpatent/ATE3328T1/de