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Priority claimed from FR7930006Aexternal-prioritypatent/FR2470668A1/fr
Priority claimed from FR8024810Aexternal-prioritypatent/FR2494625A2/fr
Application filed by Ets EvirafiledCriticalEts Evira
Priority claimed from EP80902390Aexternal-prioritypatent/EP0041522B1/de
Application grantedgrantedCritical
Publication of ATE7673T1publicationCriticalpatent/ATE7673T1/de