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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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31 maio 1869 ano - Medeleev publishes periodic table
Adicionado na linha do tempo:
CHEM timeline
By
Trinity
10 dez 2017
0
0
509
Data:
31 maio 1869 ano
Agora
~ 156 years ago
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