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/ru/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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Duplex ruler (14 ч 39 мин, 21 ноя 2018 г. – 14 ч 49 мин, 1 июл 2019 г.)
Описание:
In 1891 The duplex rule was invented by William Cox
Добавлено на ленту времени:
Counting/Caculating Inventions
By
Emily Stark
4 ноя 2019
0
0
360
Дата:
14 ч 39 мин, 21 ноя 2018 г.
14 ч 49 мин, 1 июл 2019 г.
~ 7 months
About & Feedback
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