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 Germano Sacco, Giovanni FiorentinifiledCriticalGermano Sacco
Priority to IT12544/80ApriorityCriticalpatent/IT1133419B/en
Publication of IT8012544A0publicationCriticalpatent/IT8012544A0/en
Application grantedgrantedCritical
Publication of IT1133419BpublicationCriticalpatent/IT1133419B/en