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 Rubens Filho RonchifiledCriticalRubens Filho Ronchi
Priority to BR6500591UpriorityCriticalpatent/BR6500591U/pt
Publication of BR6500591UpublicationCriticalpatent/BR6500591U/pt