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 NO891804Aexternal-prioritypatent/NO891804D0/no
Application filed by Aker Eng AsfiledCriticalAker Eng As
Priority to NO901902ApriorityCriticalpatent/NO170878C/no
Publication of NO901902D0publicationCriticalpatent/NO901902D0/no
Publication of NO901902LpublicationCriticalpatent/NO901902L/no
Publication of NO170878BpublicationCriticalpatent/NO170878B/no
Publication of NO170878CpublicationCriticalpatent/NO170878C/no