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 Soennichsen RoervalseverkfiledCriticalSoennichsen Roervalseverk
Priority to NO844436ApriorityCriticalpatent/NO158087C/en
Publication of NO844436LpublicationCriticalpatent/NO844436L/en
Publication of NO158087BpublicationCriticalpatent/NO158087B/en
Publication of NO158087CpublicationCriticalpatent/NO158087C/en