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 Ferreira Filho O AssumpcaofiledCriticalFerreira Filho O Assumpcao
Priority to BR5901203UpriorityCriticalpatent/BR5901203U/pt
Publication of BR5901203UpublicationCriticalpatent/BR5901203U/pt