Details
Herstellung einer Vakuum-Photozelle
[Other Title]
Produksjonsår: | 1935 |
Sjanger: | Documentary Film |
Innspillingssted: | n/a
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Credits |
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Production company: |
Zeiss-Ikon A. D. (Dresden)
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Technische Hochschule Berlin, Röhren-Laboratorium (Berlin)
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First released by: |
RfdU (Berlin)
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Distributor: |
IWF (Göttingen)
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Author: |
M. Knoll
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