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20 fev 1799 ano - la invenciòn de la anestesia

Descrição:

tuvo varias variantes respecto a los analgésicos que se fueron incorporando; el éter dominó el mercado hasta 1960.

Adicionado na linha do tempo:

” Inventos que revolucionaron el Mundo”

Byabril renata
20 set 2018

Data:

20 fev 1799 ano
Agora
~ 225 years ago

Imagens:

YouTube:

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