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24 mai 1794 - Joseph Louis Proust

Description:

Proust was a French chemist that was best known for his discovery of the law of constant composition in 1794. This stated that chemical compounds always combine in constant proportions.

Ajouté au bande de temps:

4 janv. 2019
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Date:

24 mai 1794
Maintenaint
~ Il y a 231 ans

Les images: