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 Joao Avelino Gomes HenriquesfiledCriticalJoao Avelino Gomes Henriques
Priority to BR7101975UpriorityCriticalpatent/BR7101975U/pt
Publication of BR7101975UpublicationCriticalpatent/BR7101975U/pt