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 Edmundo Facanha De AlbuquerquefiledCriticalEdmundo Facanha De Albuquerque
Priority to BR6402021UpriorityCriticalpatent/BR6402021U/en
Publication of BR6402021UpublicationCriticalpatent/BR6402021U/en