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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1775 ano - Carl Wilhelm Scheele develops the first test for arsenic
Adicionado na linha do tempo:
Meagan and Joseph E.
By
Meagan
13 out 2017
0
0
749
Data:
1 jan 1775 ano
Agora
~ 251 years ago
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