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 Ind E Com De Telhas Eitel LtdafiledCriticalInd E Com De Telhas Eitel Ltda
Priority to BR991973ApriorityCriticalpatent/BR7309919D0/en
Publication of BR7309919D0publicationCriticalpatent/BR7309919D0/en