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Unsichtbare Brücken
1932
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About this title

Unsichtbare Brücken
Unsichtbare Brücken

1932 · 40m · Released

Documentary

In the broadcasting center of a radio station, visitors are informed in a kind of educational course about how "electric waves" are generated and how they are converted into sounds that can then be heard on the radio.

Director

Hans Fritz Wilhelm

Cast

R

Rolf Gert

A

Alfred Stratmann

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