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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1885 anni - Carl Auer descubre el

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Fechas de descubrimiento de los elementos.

ByYsac
24 gen 2021
0
0
238

Data:

1 gen 1885 anni
Adesso
~ 140 years ago
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