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Application filed by Henry Anderson SpencerfiledCriticalHenry Anderson Spencer
Priority to NO761762ApriorityCriticalpatent/NO142692C/no
Publication of NO761762LpublicationCriticalpatent/NO761762L/no
Publication of NO142692BpublicationCriticalpatent/NO142692B/no
Publication of NO142692CpublicationCriticalpatent/NO142692C/no