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 Francesco SpalvierifiledCriticalFrancesco Spalvieri
Priority to IT8401506ApriorityCriticalpatent/IT1209100B/it
Publication of IT8401506A0publicationCriticalpatent/IT8401506A0/it
Application grantedgrantedCritical
Publication of IT1209100BpublicationCriticalpatent/IT1209100B/it