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 Figli Di Stefano Bertolo & C S, Alberto SpinellifiledCriticalFigli Di Stefano Bertolo & C S
Priority to IT20890/87ApriorityCriticalpatent/IT1205691B/it
Publication of IT8720890A0publicationCriticalpatent/IT8720890A0/it
Application grantedgrantedCritical
Publication of IT1205691BpublicationCriticalpatent/IT1205691B/it