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1 janv. 1797 - Louis-Nicholas Vauquelin descubre el Cromo.

Ajouté au bande de temps:

Fechas de descubrimiento de los elementos.

ByYsac
24 janv. 2021
0
0
237

Date:

1 janv. 1797
Maintenaint
~ Il y a 228 ans
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