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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 фев 1872 г. - Start period of the development of commercially successful mechanical calculators 1872
Добавлено на ленту времени:
Calculator
By
Floofypanda
15 сен 2017
0
0
663
Дата:
20 фев 1872 г.
Сейчас
~ 153 г назад
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