Není železo jako železo (1950)
Document about a new method of producing ductile iron in induction furnaces, which is the first in the world to be carried out in Czechoslovakia.
Director:
Ján Šmok
Writer:
Ján Šmok
| Directing | Ján Šmok | Director |
| Writing | Ján Šmok | Screenplay |
| Camera | Ján Šmok | Director of Photography |
| Camera | Jiří Ployhar | Director of Photography |
| Sound | Ivan Řezáč | Original Music Composer |