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Application filed by Einar HoltfiledCriticalEinar Holt
Priority to NO800996ApriorityCriticalpatent/NO145682C/no
Publication of NO800996LpublicationCriticalpatent/NO800996L/no
Publication of NO145682BpublicationCriticalpatent/NO145682B/no
Publication of NO145682CpublicationCriticalpatent/NO145682C/no