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Application filed by Bbc Brown Boveri & CiefiledCriticalBbc Brown Boveri & Cie
Priority to IT28131/78ApriorityCriticalpatent/IT1099214B/it
Publication of IT7828131A0publicationCriticalpatent/IT7828131A0/it
Application grantedgrantedCritical
Publication of IT1099214BpublicationCriticalpatent/IT1099214B/it