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
Priority claimed from NO891771Aexternal-prioritypatent/NO891771D0/no
Application filed by Norwegian ContractorsfiledCriticalNorwegian Contractors
Priority to NO893406ApriorityCriticalpatent/NO893406D0/no
Publication of NO893406D0publicationCriticalpatent/NO893406D0/no