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Rome. The activation of the first telephone exchange based on electronic technique in Italy

SERIES TITLE: Ieri oggi domani

In Italy has been activated the first telephone exchange based on electronic technique. It was build thanks to the initiative of the industrial group Iri-Stet and it was realized thanks to Telecomunicazioni Siemens of Milan

Skatīt piegādājošās iestādes tīmekļa vietnē. (tiek atvērts jaunā logā)

Izdevējs

  • Ieri oggi domani

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