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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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28 ago 1776 ano - Carl Wihelm Scheele (1742-1786) develops the first test for arsenic.
Adicionado na linha do tempo:
marc and jaz
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marc pio
16 out 2017
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691
Data:
28 ago 1776 ano
Agora
~ 249 years ago
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