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30 март 1799 г. - Арифмометр
Описание:
механическая машина расчетов
Добавлено на ленту времени:
Новая лента времени
By
Валера Дьяковский
28 сен 2017
0
0
453
Дата:
30 март 1799 г.
Сейчас
~ 225 г назад
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