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3 jan 1887 ano - Русский изобретатель К.А.Мосцицкий создал самодействующий коммутатор, который предзнаменовал создание автоматических телефонных станций.

Adicionado na linha do tempo:

Телефон

ByМизинко Ксения
4 nov 2019

Data:

3 jan 1887 ano
Agora
~ 137 years ago
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