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Application filed by Vnii Metiznoj PromyfiledCriticalVnii Metiznoj Promy
Priority to IT1972179ApriorityCriticalpatent/IT1110760B/it
Publication of IT7919721A0publicationCriticalpatent/IT7919721A0/it
Application grantedgrantedCritical
Publication of IT1110760BpublicationCriticalpatent/IT1110760B/it