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 Giuseppe Schiena, Alcides Zanotto, Nivaldo FugissefiledCriticalGiuseppe Schiena
Priority to BR6401866UpriorityCriticalpatent/BR6401866U/pt
Publication of BR6401866UpublicationCriticalpatent/BR6401866U/pt