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 Aguas De Carvalhelhos S AfiledCriticalAguas De Carvalhelhos S A
Priority to PT980802UpriorityCriticalpatent/PT9808T/pt
Publication of PT9808TpublicationCriticalpatent/PT9808T/pt