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 Donetti Bernardino E Costa LucfiledCriticalDonetti Bernardino E Costa Luc
Priority to IT69740/78ApriorityCriticalpatent/IT1160981B/en
Publication of IT7869740A0publicationCriticalpatent/IT7869740A0/en
Application grantedgrantedCritical
Publication of IT1160981BpublicationCriticalpatent/IT1160981B/en