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 Vivaldo Pereira AlvesfiledCriticalVivaldo Pereira Alves
Priority to BR7201075UpriorityCriticalpatent/BR7201075U/en
Publication of BR7201075UpublicationCriticalpatent/BR7201075U/en