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14 дек 1861 г. - John Newlands

Описание:

Classified 56 known elements at that time.

Добавлено на ленту времени:

Atomic History_LaFuente

3 окт 2018

0

0

435

Дата:

14 дек 1861 г.

Сейчас

~ 163 г назад

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