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.)
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Publication date
Application filed by Ardal Og Sunndal VerkfiledCriticalArdal Og Sunndal Verk
Priority to NO355373ApriorityCriticalpatent/NO130829C/no
Priority claimed from NO409873Aexternal-prioritypatent/NO142615C/no
Priority to CA208,778Aprioritypatent/CA1032895A/en
Publication of NO130829BpublicationCriticalpatent/NO130829B/no
Publication of NO130829CpublicationCriticalpatent/NO130829C/no