Влизане, за да видите тази обект на други езици
In Copyright - Educational Use Permitted (отваря се в нов прозорец)

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

Вижте на уебсайта на доставчик на данни (отваря се в нов прозорец)

Издател

  • Ieri oggi domani

Тема

Вид на обекта