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 Afonso Amaral HenriquesfiledCriticalAfonso Amaral Henriques
Priority to BR6701665UpriorityCriticalpatent/BR6701665U/pt
Publication of BR6701665UpublicationCriticalpatent/BR6701665U/pt