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 BR6801180UpriorityCriticalpatent/BR6801180U/en
Publication of BR6801180UpublicationCriticalpatent/BR6801180U/en