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 Aureo Freire Castelo BrancofiledCriticalAureo Freire Castelo Branco
Priority to BR7102705UpriorityCriticalpatent/BR7102705U/pt
Publication of BR7102705UpublicationCriticalpatent/BR7102705U/pt