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 NO941997Aexternal-prioritypatent/NO941997D0/no
Application filed by Norsk Hydro AsfiledCriticalNorsk Hydro As
Priority to NO965013ApriorityCriticalpatent/NO303042B1/no
Publication of NO965013D0publicationCriticalpatent/NO965013D0/no
Publication of NO965013LpublicationCriticalpatent/NO965013L/no
Publication of NO303042B1publicationCriticalpatent/NO303042B1/no