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Priority claimed from IT8712411Aexternal-prioritypatent/IT1208238B/it
Priority claimed from IT8712437Aexternal-prioritypatent/IT1208256B/it
Application filed by EurafricafiledCriticalEurafrica
Priority claimed from EP88100764Aexternal-prioritypatent/EP0278272B1/de
Application grantedgrantedCritical
Publication of ATE69757T1publicationCriticalpatent/ATE69757T1/de