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.
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50 Jahre Fernsprechen in Deutschland 1933
W. Achsel & Co. Filmproduktion
50 Jahre Fernsprechen in Deutschland Assistir
50 Jahre Fernsprechen in Deutschland online grátis
50 Jahre Fernsprechen in Deutschland dublado
50 Jahre Fernsprechen in Deutschland legendado
50 Jahre Fernsprechen in Deutschland TopFlix
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