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 Benedicto Goncalves CamposfiledCriticalBenedicto Goncalves Campos
Priority to BR6801756UpriorityCriticalpatent/BR6801756U/en
Publication of BR6801756UpublicationCriticalpatent/BR6801756U/en