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Priority claimed from FR8710768Aexternal-prioritypatent/FR2618524B1/en
Priority claimed from FR8807256Aexternal-prioritypatent/FR2632051B1/en
Application filed by Claude Leon HembertfiledCriticalClaude Leon Hembert
Priority claimed from EP88420254Aexternal-prioritypatent/EP0300931B1/en
Application grantedgrantedCritical
Publication of ATE67834T1publicationCriticalpatent/ATE67834T1/en