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1 янв 1898 г. - Radium

Описание:

Pierre and Marie Curie discover radium and polonium.

Добавлено на ленту времени:

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ByCindy Kilpatrick

7 фев 2020

1

0

1806

Дата:

1 янв 1898 г.

Сейчас

~ 127 г назад

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