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20 feb 1819 anni - Stethoscope

Descrizione:

René Laënnec invents the stethoscope.

Aggiunto al nastro di tempo:

1800-1850 TimeLine

ByNicole Leal
28 ott 2018
0
0
434

Data:

20 feb 1819 anni
Adesso
~ 206 years ago
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