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Application filed by Einar HolstfiledCriticalEinar Holst
Priority to NO792517ApriorityCriticalpatent/NO143763C/no
Publication of NO143763BpublicationCriticalpatent/NO143763B/no
Publication of NO792517LpublicationCriticalpatent/NO792517L/no
Publication of NO143763CpublicationCriticalpatent/NO143763C/no