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 Bahiana De Minerais Ltd EmpresfiledCriticalBahiana De Minerais Ltd Empres
Priority to BR300372ApriorityCriticalpatent/BR7203003D0/pt
Publication of BR7203003D0publicationCriticalpatent/BR7203003D0/pt