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
Priority claimed from NO20010927Aexternal-prioritypatent/NO20010927D0/no
Application filed by Norsk Hydro AsfiledCriticalNorsk Hydro As
Priority to NO20033316ApriorityCriticalpatent/NO336988B1/no
Publication of NO20033316D0publicationCriticalpatent/NO20033316D0/no
Publication of NO20033316LpublicationCriticalpatent/NO20033316L/no
Publication of NO336988B1publicationCriticalpatent/NO336988B1/no