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 Nils AmundsenfiledCriticalNils Amundsen
Priority to NO852153ApriorityCriticalpatent/NO156576C/en
Publication of NO852153LpublicationCriticalpatent/NO852153L/en
Publication of NO156576BpublicationCriticalpatent/NO156576B/en
Publication of NO156576CpublicationCriticalpatent/NO156576C/en