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1 janv. 1950 - Pacemaker

Description:

Heart pacemaker was invented in a National Research Council laboratory in Ottawa by Winnipeg native John Hops to keep weak of heart alive and kicking.

Ajouté au bande de temps:

Relevant History

ByCindy Kilpatrick
7 févr. 2020

Date:

1 janv. 1950
Maintenaint
~ Il y a 74 ans
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