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Priority claimed from FR8702525Aexternal-prioritypatent/FR2611786B1/en
Priority claimed from FR878705791Aexternal-prioritypatent/FR2614342B2/en
Application filed by Sbc SarlfiledCriticalSbc Sarl
Priority claimed from EP88400393Aexternal-prioritypatent/EP0282385B1/en
Application grantedgrantedCritical
Publication of ATE57979T1publicationCriticalpatent/ATE57979T1/en