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 Gian Bortolo Prandelli, Vittorio FranzonifiledCriticalGian Bortolo Prandelli
Priority to IT22944/84ApriorityCriticalpatent/IT1178535B/it
Publication of IT8422944A0publicationCriticalpatent/IT8422944A0/it
Publication of IT8422944A1publicationCriticalpatent/IT8422944A1/it
Application grantedgrantedCritical
Publication of IT1178535BpublicationCriticalpatent/IT1178535B/it