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 Ezio Renato CerrifiledCriticalEzio Renato Cerri
Priority to BR6802018UpriorityCriticalpatent/BR6802018U/en
Publication of BR6802018UpublicationCriticalpatent/BR6802018U/en