Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gd SpafiledCriticalGd Spa
Priority to IT8903575ApriorityCriticalpatent/IT1233669B/it
Publication of IT8903575A0publicationCriticalpatent/IT8903575A0/it
Priority to US07/558,550prioritypatent/US5190430A/en
Priority to EP90114560Aprioritypatent/EP0411523B1/en
Priority to DE9090114560Tprioritypatent/DE69000287T2/de
Priority to BR909003742Aprioritypatent/BR9003742A/pt
Priority to JP2202614Aprioritypatent/JP2977240B2/ja
Application grantedgrantedCritical
Publication of IT1233669BpublicationCriticalpatent/IT1233669B/it
Priority to US07/984,667prioritypatent/US5340263A/en