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4 апр 1897 г. - Discovery of Electrons
Описание:
J.J. Thomson discovered electrons.
Добавлено на ленту времени:
Chem-alchemy
By
Tyler Usser
12 окт 2017
0
0
556
Дата:
4 апр 1897 г.
Сейчас
~ 128 г назад
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