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Application filed by Vittorio Michelotti, Cesare NegrifiledCriticalVittorio Michelotti
Priority to IT44807/83ApriorityCriticalpatent/IT1172802B/it
Publication of IT8344807A0publicationCriticalpatent/IT8344807A0/it
Publication of IT8344807A1publicationCriticalpatent/IT8344807A1/it
Application grantedgrantedCritical
Publication of IT1172802BpublicationCriticalpatent/IT1172802B/it