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1 h 39 m, 1 ene 1909 año - German chemists Fritz Haber and Zygmunt Klemensiewicz develop the glass electrode, very precise measurements of acidity.
Añadido al timeline:
20th Century
By
Rafelle Marie Timog Allego
10 feb 2018
0
0
655
fecha:
1 h 39 m, 1 ene 1909 año
Ahora mismo
~ 115 years ago
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