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 Riccardo PedrocchifiledCriticalRiccardo Pedrocchi
Priority to IT83484/80ApriorityCriticalpatent/IT1136520B/en
Publication of IT8083484A0publicationCriticalpatent/IT8083484A0/en
Application grantedgrantedCritical
Publication of IT1136520BpublicationCriticalpatent/IT1136520B/en