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15 ottob 1774 anni - Johann Gottlieb Gahn

Descrizione:

Aisló el manganeso

Aggiunto al nastro di tempo:

Historia de la Química

ByDaniel Martinez Alzate
21 feb 2019
0
0
678

Data:

15 ottob 1774 anni
Adesso
~ 250 years ago
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