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Suchergebnisse für: National Adding Machine Company

Patent:CA99636 19.06.1906 Dennis, A.S. (P) National Adding Machine Company (P) : Typewriter and adding machines
Patent:US817302 10.04.1906 Dennis, A.S. (P) National Adding Machine Company (P) : Combined type-writer and adding machine
Patent:US819865 08.05.1906 Dennis, A.S. (P) National Adding Machine Company (P) : Combined number recording and adding machine