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Priority claimed from FR8716908Aexternal-prioritypatent/FR2624165A1/en
Priority claimed from FR8716907Aexternal-prioritypatent/FR2624164B1/en
Priority claimed from FR8805295Aexternal-prioritypatent/FR2630482B2/en
Application filed by Michel GoubaudfiledCriticalMichel Goubaud
Priority claimed from EP19880403039external-prioritypatent/EP0320343B1/en
Application grantedgrantedCritical
Publication of ATE68841T1publicationCriticalpatent/ATE68841T1/en