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Application filed by Ole HalvorsenfiledCriticalOle Halvorsen
Priority to NO902124ApriorityCriticalpatent/NO172021C/no
Publication of NO902124D0publicationCriticalpatent/NO902124D0/no
Publication of NO902124LpublicationCriticalpatent/NO902124L/no
Publication of NO172021BpublicationCriticalpatent/NO172021B/no
Publication of NO172021CpublicationCriticalpatent/NO172021C/no