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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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День радио
Category:
Altro
è stato aggiornato:
7 nov 2017
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387
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Created by
Vitalik Mansurov
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Eventi
День радио
Рождение Попова
Всемирный день радио
День военного связиста
Всемирный день радиолюбителя
Международный день телекоммуникаций
Создание первой радиостанции
Первая двусторонняя трансатлантическая связь
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