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23 апр 1998 г. - Joseph John Thomson
Описание:
Il a découvert qu'il y qu'il y avait des charges négatives dans la matière (électrons).
Добавлено на ленту времени:
Science
By
Jeanne Saulnier
6 фев 2019
0
0
236
Дата:
23 апр 1998 г.
Сейчас
~ 27 г назад
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