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Application filed by Mathis NordnesfiledCriticalMathis Nordnes
Priority to NO820688ApriorityCriticalpatent/NO150312C/en
Publication of NO820688LpublicationCriticalpatent/NO820688L/en
Publication of NO150312BpublicationCriticalpatent/NO150312B/en
Publication of NO150312CpublicationCriticalpatent/NO150312C/en