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Application filed by Giovanni Crespi, Rebaudo Gio BattistafiledCriticalGiovanni Crespi
Priority to IT21477/84ApriorityCriticalpatent/IT1174030B/en
Publication of IT8421477A0publicationCriticalpatent/IT8421477A0/en
Application grantedgrantedCritical
Publication of IT1174030BpublicationCriticalpatent/IT1174030B/en