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21 июл 1895 г. - Discovery of x-rays
Описание:
Wilhelm Konrad Röntgen
discovers x‑rays.
Добавлено на ленту времени:
Chemistry Timeline
By
CALEB SMITH
25 сен 2018
0
0
289
Дата:
21 июл 1895 г.
Сейчас
~ 128 г назад
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