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1 янв 1887 г. - Premiere émission d'ondes radio

Описание:

Heinrich hertz est le premier a reussir une émission d'ondes radio sur une distance de 20 mètres.

Добавлено на ленту времени:

Les evolutions technologiques,comment communiquer a distance ?

Bystefan
29 мар 2021
2
2
4812

Дата:

1 янв 1887 г.
Сейчас
~ 138 г назад

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