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2 agos 1818 año - chemists Jöns Jakob Berzelius and J. G. Gahn discover selenium
Añadido al timeline:
Labtimeline
By
NASSIM GOBERA MAC FARLAND
8 ene 2019
0
0
276
fecha:
2 agos 1818 año
Ahora mismo
~ 207 years ago
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