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16 févr. 1800 - NO2 Discovered as Gas Anaesthetic But NOT Yet Used

Description:

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

Ajouté au bande de temps:

TL: ST

ByLeslye Vasquez
29 janv. 2020

Date:

16 févr. 1800
Maintenaint
~ Il y a 224 ans
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