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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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5 apr 1830 anni - Se conocian 55 elementos diferentes
Aggiunto al nastro di tempo:
Historia de la Química
By
Daniel Martinez Alzate
21 feb 2019
0
0
759
Data:
5 apr 1830 anni
Adesso
~ 195 years ago
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