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Anestecia (1 juill. 1842 – 1 nov 1846)

Description:

Varios científicos descubre que ciertas sustancias químicas pueden ser utilizadas como anestésico

Ajouté au bande de temps:

Nicol Dayana Rincon Guerrero

25 sept. 2018

1

0

713

Date:

1 juill. 1842

1 nov 1846

~ 4 years and 4 months

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