Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ettore CostatofiledCriticalEttore Costato
Priority to IT26085/80ApriorityCriticalpatent/IT1134352B/it
Publication of IT8026085A0publicationCriticalpatent/IT8026085A0/it
Application grantedgrantedCritical
Publication of IT1134352BpublicationCriticalpatent/IT1134352B/it