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20 magg 1890 anni - Cтатический табулятор Холлерита вышел победителем в соревновании с несколькими другими системами

Aggiunto al nastro di tempo:

Sofia Andreasyan

18 ott 2017

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725

Data:

20 magg 1890 anni

Adesso

~ 135 years ago

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