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 Georg Sivertsen, Jan H SundetfiledCriticalGeorg Sivertsen
Priority to NO865098ApriorityCriticalpatent/NO865098D0/no
Publication of NO865098D0publicationCriticalpatent/NO865098D0/no