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 Vittorio FregofiledCriticalVittorio Frego
Priority to ITPD910166ApriorityCriticalpatent/IT1257980B/it
Publication of ITPD910166A0publicationCriticalpatent/ITPD910166A0/it
Publication of ITPD910166A1publicationCriticalpatent/ITPD910166A1/it
Application grantedgrantedCritical
Publication of IT1257980BpublicationCriticalpatent/IT1257980B/it