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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 ene 1950 año - Californium (98) discovered
Añadido al timeline:
Science H.W. timeline 1
By
kback19
30 oct 2018
0
0
353
fecha:
20 ene 1950 año
Ahora mismo
~ 75 years ago
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