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2 этап (1 jan 1816 ano – 1 jan 1935 ano)

Descrição:

II этап — начиная с 1816 года — связан с началом использования искусственно создаваемых технических средств электро- и радиосвязи.

Adicionado na linha do tempo:

История развития информационной безопасности

2 nov 2017

0

0

1189

Data:

1 jan 1816 ano

1 jan 1935 ano

~ 119 years

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