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 Ardal Og Sunndal VerkfiledCriticalArdal Og Sunndal Verk
Priority to NO781495ApriorityCriticalpatent/NO143177C/en
Publication of NO781495LpublicationCriticalpatent/NO781495L/en
Publication of NO143177BpublicationCriticalpatent/NO143177B/en
Publication of NO143177CpublicationCriticalpatent/NO143177C/en