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 Kjell BirkelandfiledCriticalKjell Birkeland
Priority to NO20015435ApriorityCriticalpatent/NO315589B1/no
Publication of NO20015435D0publicationCriticalpatent/NO20015435D0/no
Publication of NO20015435LpublicationCriticalpatent/NO20015435L/no
Publication of NO315589B1publicationCriticalpatent/NO315589B1/no