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20 feb 1819 año - Stethoscope

Descripción:

René Laënnec invents the stethoscope.

Añadido al timeline:

1800-1850 TimeLine

ByNicole Leal
28 oct 2018
0
0
432

fecha:

20 feb 1819 año
Ahora mismo
~ 206 years ago
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