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