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Application filed by Audun HeradstveitfiledCriticalAudun Heradstveit
Priority to NO853691ApriorityCriticalpatent/NO157441C/en
Publication of NO853691LpublicationCriticalpatent/NO853691L/en
Publication of NO157441BpublicationCriticalpatent/NO157441B/en
Publication of NO157441CpublicationCriticalpatent/NO157441C/en