50 Jahre Fernsprechen in Deutschland
The history of telephony in Germany is depicted through a series of photographs and explanations, showcasing the evolution from early telephones and manual switching systems to automatic systems, cable production, and the development of a comprehensive telephone network, including the introduction of radio technology.
Parola chiave:
50 Jahre Fernsprechen in Deutschland 1933
W. Achsel & Co. Filmproduktion
50 Jahre Fernsprechen in Deutschland streaming
50 Jahre Fernsprechen in Deutschland gratuito
50 Jahre Fernsprechen in Deutschland film completo
50 Jahre Fernsprechen in Deutschland Guarda Film
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