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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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15 oct 1774 año - Johann Gottlieb Gahn
Descripción:
Aisló el manganeso
Añadido al timeline:
Historia de la Química
By
Daniel Martinez Alzate
21 feb 2019
0
0
759
fecha:
15 oct 1774 año
Ahora mismo
~ 251 years ago
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