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 P VieirafiledCriticalP Vieira
Priority to BR731674ApriorityCriticalpatent/BR7407316D0/en
Publication of BR7407316D0publicationCriticalpatent/BR7407316D0/en