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 Orival PessinifiledCriticalOrival Pessini
Priority to BR6401726UpriorityCriticalpatent/BR6401726U/pt
Publication of BR6401726UpublicationCriticalpatent/BR6401726U/pt