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Application filed by Transportoekonomisk InstfiledCriticalTransportoekonomisk Inst
Priority to NO800740ApriorityCriticalpatent/NO145834C/en
Publication of NO800740LpublicationCriticalpatent/NO800740L/en
Publication of NO145834BpublicationCriticalpatent/NO145834B/en
Publication of NO145834CpublicationCriticalpatent/NO145834C/en