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1 gen 1895 anni - He

Descrizione:

Гелий
открыли Уильям Рамзай и Уильям Крукс

Aggiunto al nastro di tempo:

Chemical timeline

ByМаргарита

12 nov 2018

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0

553

Data:

1 gen 1895 anni

Adesso

~ 130 years ago

Immagini:

Geo-marchi:

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