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 Giovanni VivianofiledCriticalGiovanni Viviano
Priority to IT42028/79ApriorityCriticalpatent/IT1166203B/it
Publication of IT7942028A0publicationCriticalpatent/IT7942028A0/it
Application grantedgrantedCritical
Publication of IT1166203BpublicationCriticalpatent/IT1166203B/it