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21 фев 1869 г. - Dmitri Mendeleev

Описание:

Dmitri create the periodic table although not all elements were known. He only new of sixty-three elements.

Добавлено на ленту времени:

Physical Science

ByThomas
6 фев 2018
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329

Дата:

21 фев 1869 г.
Сейчас
~ 155 г назад
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