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 F Di Bignoni Giancarlo E C AgfiledCriticalF Di Bignoni Giancarlo E C Ag
Priority to ITTO1981U53473UpriorityCriticalpatent/IT8153473U1/it
Publication of IT8153473V0publicationCriticalpatent/IT8153473V0/it
Publication of IT8153473U1publicationCriticalpatent/IT8153473U1/it