Není železo jako železo
Movie| Title | Není železo jako železo |
| User score | 0 |
| Release date | Mar 10, 1950 |
| Genre | Documentary |
| Director | Ján Šmok |
| Production country | Czechoslovakia |
| Production companies | Krátký film Praha |
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.