Není železo jako železo

Genre: <a href="https://fmovies-to.lol/genre/99/documentary" style="color:#d9d9d9;" onmouseover="this.style.color='#00acc2';" onmouseout="this.style.color='#d9d9d9';">Documentary
Director: J&aacute;n &Scaron;mok
Cast:
Country: <a href="/country/xc" style="color:#d9d9d9;" onmouseover="this.style.color='#00acc2';" onmouseout="this.style.color='#d9d9d9';">Czechoslovakia

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.