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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1898 anni - Pierre Curie descubre el Polonio.
Aggiunto al nastro di tempo:
Fechas de descubrimiento de los elementos.
By
Ysac
24 gen 2021
0
0
237
Data:
1 gen 1898 anni
Adesso
~ 127 years ago
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