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 Chesta Walter E Casasso GiovanfiledCriticalChesta Walter E Casasso Giovan
Priority to IT68055/81ApriorityCriticalpatent/IT1144448B/en
Publication of IT8168055A0publicationCriticalpatent/IT8168055A0/en
Application grantedgrantedCritical
Publication of IT1144448BpublicationCriticalpatent/IT1144448B/en