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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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31 gen 1815 anni - 1815 William Proust Masas atómicas a base de hidrógeno
Aggiunto al nastro di tempo:
Desarrollo de la tabla periódica
By
Arely
27 ago 2018
0
0
351
Data:
31 gen 1815 anni
Adesso
~ 210 years ago
Immagini:
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