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Priority to ITBO920021ApriorityCriticalpatent/IT1258013B/en
Publication of ITBO920021A0publicationCriticalpatent/ITBO920021A0/en
Priority to EP93100574Aprioritypatent/EP0563516A3/en
Publication of ITBO920021A1publicationCriticalpatent/ITBO920021A1/en
Application grantedgrantedCritical
Publication of IT1258013BpublicationCriticalpatent/IT1258013B/en