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Priority claimed from GB868606132Aexternal-prioritypatent/GB8606132D0/en
Priority claimed from GB868607569Aexternal-prioritypatent/GB8607569D0/en
Application filed by Euro Celtique SafiledCriticalEuro Celtique Sa
Priority claimed from EP87301553Aexternal-prioritypatent/EP0238218B1/en
Application grantedgrantedCritical
Publication of ATE56875T1publicationCriticalpatent/ATE56875T1/en