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23 h 11 m, 31 dic 1931 año - Первое устройство

Descripción:

появился стрелочный телеграф, использующий электричество. Изобретение нашего соотечественника Павла Львовича Шиллинга.

Añadido al timeline:

Сети

ByDases
12 ene 2018

fecha:

23 h 11 m, 31 dic 1931 año
Ahora mismo
~ 92 years ago
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