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Priority claimed from FR7911238Aexternal-prioritypatent/FR2455563A1/fr
Priority claimed from FR7928238Aexternal-prioritypatent/FR2469380A2/fr
Application filed by Eric Le Tixerant, Philippe Le TixerantfiledCriticalEric Le Tixerant
Priority claimed from EP80400598Aexternal-prioritypatent/EP0018915B1/de
Application grantedgrantedCritical
Publication of ATE4109T1publicationCriticalpatent/ATE4109T1/de