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Application filed by Roald JohansenfiledCriticalRoald Johansen
Priority to NO832647ApriorityCriticalpatent/NO153166C/no
Publication of NO832647LpublicationCriticalpatent/NO832647L/no
Publication of NO153166BpublicationCriticalpatent/NO153166B/no
Publication of NO153166CpublicationCriticalpatent/NO153166C/no