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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jun 1887 año - émission et réception d'ondes radios de Heinrich Hertz
Descripción:
Il réussi une émission d'ondes radios sur 20 mètres pour la première fois
Añadido al timeline:
frise chronologique des évolutions technologiques
By
samuel
30 mar 2021
1
0
166
fecha:
1 jun 1887 año
Ahora mismo
~ 138 years ago
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