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 Erminio Dall OgliofiledCriticalErminio Dall Oglio
Priority to IT21366/86ApriorityCriticalpatent/IT1197043B/it
Publication of IT8621366A0publicationCriticalpatent/IT8621366A0/it
Publication of IT8621366A1publicationCriticalpatent/IT8621366A1/it
Application grantedgrantedCritical
Publication of IT1197043BpublicationCriticalpatent/IT1197043B/it