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Application filed by Petter K SkogvoldfiledCriticalPetter K Skogvold
Priority to NO901624ApriorityCriticalpatent/NO171689C/no
Publication of NO901624D0publicationCriticalpatent/NO901624D0/no
Publication of NO901624LpublicationCriticalpatent/NO901624L/no
Publication of NO171689BpublicationCriticalpatent/NO171689B/no
Publication of NO171689CpublicationCriticalpatent/NO171689C/no