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 Leif HermanstadfiledCriticalLeif Hermanstad
Priority to NO814105ApriorityCriticalpatent/NO814105L/en
Publication of NO814105LpublicationCriticalpatent/NO814105L/en