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Application filed by Kjell Magne VatnefiledCriticalKjell Magne Vatne
Priority to NO812385ApriorityCriticalpatent/NO148588C/no
Publication of NO812385LpublicationCriticalpatent/NO812385L/no
Publication of NO148588BpublicationCriticalpatent/NO148588B/no
Publication of NO148588CpublicationCriticalpatent/NO148588C/no