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Application filed by Tor Arild HammersmarkfiledCriticalTor Arild Hammersmark
Priority to NO871798ApriorityCriticalpatent/NO161903C/no
Publication of NO871798D0publicationCriticalpatent/NO871798D0/no
Publication of NO871798LpublicationCriticalpatent/NO871798L/no
Publication of NO161903BpublicationCriticalpatent/NO161903B/no
Publication of NO161903CpublicationCriticalpatent/NO161903C/no