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16 fev 1800 ano - NO2 Discovered as Gas Anaesthetic But NOT Yet Used

Descrição:

Well this probably would have helped a lot of dentists in history to not be notorious for pain.

Adicionado na linha do tempo:

TL: ST

ByLeslye Vasquez
29 jan 2020

Data:

16 fev 1800 ano
Agora
~ 224 years ago
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