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1 jan 1892 ano - pierwsza automatyczna centrala telefoniczna

Descrição:

W La Porte w stanie Indiana uruchomiono pierwszą automatyczną centralę telefoniczną.

Adicionado na linha do tempo:

oś czasu

ByZuzanna Lange

3 out 2018

0

0

393

Data:

1 jan 1892 ano

Agora

~ 133 years ago

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