Credits
Production company
All Credits
Production company
Duration:
21 min
Format:
16mm
Video/Audio:
s/w, Lichtton
Titles
- Originaltitel (DE) Wirtschaftlich fördern
- Untertitel (DE) Elektrotechnik im Bergbau
Versions
Original
Duration:
21 min
Format:
16mm
Video/Audio:
s/w, Lichtton
Comments
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