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 Norsk Hydro AsfiledCriticalNorsk Hydro As
Priority to NO88885590ApriorityCriticalpatent/NO885590L/en
Publication of NO885590D0publicationCriticalpatent/NO885590D0/en
Publication of NO885590LpublicationCriticalpatent/NO885590L/en