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3 janv. 1887 - Première émission d'ondes radio
Description:
par Henrich Hertz
Ajouté au bande de temps:
Frise chronologique sur les évolutions téchnologiques Leo Belbachir
By
LEO
30 mars 2021
0
0
177
Date:
3 janv. 1887
Maintenaint
~ Il y a 138 ans
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