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 Rolf RaadahlfiledCriticalRolf Raadahl
Priority to NO871283ApriorityCriticalpatent/NO871283D0/en
Publication of NO871283D0publicationCriticalpatent/NO871283D0/en