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 Mario Dall ArafiledCriticalMario Dall Ara
Priority to IT03463/81ApriorityCriticalpatent/IT1146459B/it
Publication of IT8103463A0publicationCriticalpatent/IT8103463A0/it
Application grantedgrantedCritical
Publication of IT1146459BpublicationCriticalpatent/IT1146459B/it