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 Dabi Ind Brasileira De AparelhfiledCriticalDabi Ind Brasileira De Aparelh
Priority to BR901973ApriorityCriticalpatent/BR7309019D0/pt
Publication of BR7309019D0publicationCriticalpatent/BR7309019D0/pt