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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
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1 ene 1935 año - by 1935 the principal isotopes and their relative proportions were known for all but a handful of elements

Añadido al timeline:

6 nov 2019
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0
185

fecha:

1 ene 1935 año
Ahora mismo
~ 89 years ago