Elektronenrohre I (Thermionic Valve I. Anodes Heating Circuits. Grid Circuits)' is a film in Silent produced by Institute Fur Film Und Bild In Wisseenschaft Und Unterrichat, West Germany. It is 144 Mts long and was certified with 0 cuts. It was given a U (Unrestricted Public Exhibition) certificate in 1961.
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Institute Fur Film Und Bild In Wisseenschaft Und Unterrichat, West Germany