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1 janv. 1923 - Hf

Description:

Гафний
открыли Дирк Костер и Дьёрдь де Хевеши

Ajouté au bande de temps:

Chemical timeline

ByМаргарита

12 nov. 2018

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550

Date:

1 janv. 1923

Maintenaint

~ Il y a 102 ans

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