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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

759

Data:

15 ottob 1774 anni

Adesso

~ 251 years ago

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