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Résultats de recherche: Hanson, Hans
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Patent:DE181138
01.03.1906 Hanson, Hans (P) : Schreib- und Rechenmaschine mit besonderen Rechentasten und Ziffertypentasten
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Patent:GB190605557
07.02.1907 Hanson, Hans (P) : Improvements in or relating to Calculating Apparatus applicable to Typewriters
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Patent:US1278812
10.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Co : Combined typewriting and computing machine
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Patent:US1279687
24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1279688
24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1279861
24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1279863
24.09.1918 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined type-writing and computing machine
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Patent:US1282820
29.10.1918 Hanson, Hans (P) Underwood (P) Computing Machine Com. : Combined type-writing and computing machine
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Patent:US1291859
21.01.1919 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined type-writing-and computing machine
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Patent:US1416464
16.05.1922 Hanson, Hans (P) Underwood (P) Computing Machine Comp. : Combined typewriting and computing machine
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Patent:US816319
27.03.1906 Hanson, Hans (P) : Calculating machine and type-writer attachment
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Patent:US876959
21.01.1908 Hanson, Hans (P) : Two way full stroke device for key levers
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Patent:US905421
01.12.1908 Hanson, Hans (P) : Combined type-writing and computing machine
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Patent:US905422
01.12.1908 Hanson, Hans (P) : Combined type-writing and computing machine
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