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 Fridtjof A EdvardsenfiledCriticalFridtjof A Edvardsen
Priority to NO871082ApriorityCriticalpatent/NO871082D0/en
Publication of NO871082D0publicationCriticalpatent/NO871082D0/en