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 Ricciardi Antonio UmbertofiledCriticalRicciardi Antonio Umberto
Priority to IT8816913ApriorityCriticalpatent/IT1230815B/en
Publication of IT8816913A0publicationCriticalpatent/IT8816913A0/en
Application grantedgrantedCritical
Publication of IT1230815BpublicationCriticalpatent/IT1230815B/en