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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 ene 1625 año - First description of hydrogen by Johann Baptista van Helmont. First to use the word "gas".
Añadido al timeline:
Hydrogen Tech
By
Yehuda
2 sep 2017
0
0
1422
fecha:
1 ene 1625 año
Ahora mismo
~ 400 years ago
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