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Priority claimed from FR8107164Aexternal-prioritypatent/FR2503606A1/fr
Priority claimed from FR8117517Aexternal-prioritypatent/FR2512717B2/fr
Priority claimed from FR8120531Aexternal-prioritypatent/FR2515553A1/fr
Priority claimed from FR818124180Aexternal-prioritypatent/FR2518441B1/fr
Application filed by Robert PrunierfiledCriticalRobert Prunier
Priority claimed from EP82400643Aexternal-prioritypatent/EP0064891B1/de
Application grantedgrantedCritical
Publication of ATE18146T1publicationCriticalpatent/ATE18146T1/de