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 Fundacao Antonio Ehelena ZerrefiledCriticalFundacao Antonio Ehelena Zerre
Priority to BR640872ApriorityCriticalpatent/BR7206408D0/en
Publication of BR7206408D0publicationCriticalpatent/BR7206408D0/en