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1 janv. 1859 - Gustav Kirchhoff y Robert Bunsen sentan las bases de la espectroscopia como un medio de análisis químico
Ajouté au bande de temps:
química
By
raquel
17 oct. 2018
0
0
499
Date:
1 janv. 1859
Maintenaint
~ Il y a 166 ans
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