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20 feb 1799 anni - la invenciòn de la anestesia

Descrizione:

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

Aggiunto al nastro di tempo:

” Inventos que revolucionaron el Mundo”

Byabril renata
20 set 2018

Data:

20 feb 1799 anni
Adesso
~ 225 years ago

Immagini:

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