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 Antonio PerlinofiledCriticalAntonio Perlino
Priority to IT67902/81ApriorityCriticalpatent/IT1144253B/it
Publication of IT8167902A0publicationCriticalpatent/IT8167902A0/it
Application grantedgrantedCritical
Publication of IT1144253BpublicationCriticalpatent/IT1144253B/it