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 Thorbjoern Rygh, Haldor SkardfiledCriticalThorbjoern Rygh
Priority to NO773947ApriorityCriticalpatent/NO142106C/no
Publication of NO773947LpublicationCriticalpatent/NO773947L/no
Publication of NO142106BpublicationCriticalpatent/NO142106B/no
Publication of NO142106CpublicationCriticalpatent/NO142106C/no