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Application filed by Urmet SpafiledCriticalUrmet Spa
Priority to IT67260/86ApriorityCriticalpatent/IT1189643B/it
Publication of IT8667260A0publicationCriticalpatent/IT8667260A0/it
Application grantedgrantedCritical
Publication of IT1189643BpublicationCriticalpatent/IT1189643B/it