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1 янв 1829 г. - Johann Wolfgang Dobereiner
Описание:
He discovered the triads in certain chemical elements.
Добавлено на ленту времени:
Quimica
By
Pablo Esteban Macias Guerrero
9 ноя 2017
0
0
376
Дата:
1 янв 1829 г.
Сейчас
~ 195 г назад
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