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 Minas Gerais AcominasfiledCriticalMinas Gerais Acominas
Priority to BR6900938UpriorityCriticalpatent/BR6900938U/pt
Publication of BR6900938UpublicationCriticalpatent/BR6900938U/pt