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Application filed by Olav Guttorm BjoernstadfiledCriticalOlav Guttorm Bjoernstad
Priority to NO812822ApriorityCriticalpatent/NO149917C/no
Publication of NO812822LpublicationCriticalpatent/NO812822L/no
Publication of NO149917BpublicationCriticalpatent/NO149917B/no
Publication of NO149917CpublicationCriticalpatent/NO149917C/no