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Application filed by Roald IsaksenfiledCriticalRoald Isaksen
Priority to NO913319ApriorityCriticalpatent/NO177798C/en
Publication of NO913319D0publicationCriticalpatent/NO913319D0/en
Publication of NO913319LpublicationCriticalpatent/NO913319L/en
Publication of NO177798BpublicationCriticalpatent/NO177798B/en
Publication of NO177798CpublicationCriticalpatent/NO177798C/en