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 Waldyr Luiz UngefehrfiledCriticalWaldyr Luiz Ungefehr
Priority to BR6101269UpriorityCriticalpatent/BR6101269U/pt
Publication of BR6101269UpublicationCriticalpatent/BR6101269U/pt