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Application filed by Uralsky Inst Chernykh MetallfiledCriticalUralsky Inst Chernykh Metall
Priority to IT22999/80ApriorityCriticalpatent/IT1131668B/en
Publication of IT8022999A0publicationCriticalpatent/IT8022999A0/en
Application grantedgrantedCritical
Publication of IT1131668BpublicationCriticalpatent/IT1131668B/en