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 Umberto BernofiledCriticalUmberto Berno
Priority to BR6600864UpriorityCriticalpatent/BR6600864U/en
Publication of BR6600864UpublicationCriticalpatent/BR6600864U/en