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Filing date
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Application filed by Gd SpafiledCriticalGd Spa
Priority to IT3484ApriorityCriticalpatent/IT1238650B/en
Publication of IT9003484A0publicationCriticalpatent/IT9003484A0/en
Priority to US07/558,550prioritypatent/US5190430A/en
Priority to EP90114560Aprioritypatent/EP0411523B1/en
Priority to DE9090114560Tprioritypatent/DE69000287T2/en
Priority to BR909003742Aprioritypatent/BR9003742A/en
Priority to JP2202614Aprioritypatent/JP2977240B2/en
Publication of IT9003484A1publicationCriticalpatent/IT9003484A1/en
Priority to US07/984,667prioritypatent/US5340263A/en
Application grantedgrantedCritical
Publication of IT1238650BpublicationCriticalpatent/IT1238650B/en