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Application filed by Leif Rudolf FjeldhammerfiledCriticalLeif Rudolf Fjeldhammer
Priority to NO770807ApriorityCriticalpatent/NO140967C/no
Publication of NO770807LpublicationCriticalpatent/NO770807L/no
Publication of NO140967BpublicationCriticalpatent/NO140967B/no
Publication of NO140967CpublicationCriticalpatent/NO140967C/no