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Priority claimed from FR7925024Aexternal-prioritypatent/FR2466196A1/en
Priority claimed from FR8008955Aexternal-prioritypatent/FR2501364B1/en
Priority claimed from FR8014698Aexternal-prioritypatent/FR2501008B1/en
Application filed by Louis Ernest Armand HalleyfiledCriticalLouis Ernest Armand Halley
Priority claimed from EP80401399Aexternal-prioritypatent/EP0030481B1/en
Application grantedgrantedCritical
Publication of ATE13004T1publicationCriticalpatent/ATE13004T1/en