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Application filed by Ferriere Nord SpafiledCriticalFerriere Nord Spa
Priority to IT8883437ApriorityCriticalpatent/IT1225956B/it
Publication of IT8883437A0publicationCriticalpatent/IT8883437A0/it
Application grantedgrantedCritical
Publication of IT1225956BpublicationCriticalpatent/IT1225956B/it