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Priority claimed from IT8782531Aexternal-prioritypatent/IT1210441B/en
Priority claimed from IT8782556Aexternal-prioritypatent/IT1210452B/en
Application filed by Nordica SpafiledCriticalNordica Spa
Priority claimed from EP88104633Aexternal-prioritypatent/EP0284978B1/en
Application grantedgrantedCritical
Publication of ATE80268T1publicationCriticalpatent/ATE80268T1/en