Megjelent
Není železo jako železo
1950N/ADokumentum
Áttekintés
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.
Alkotók
Ján Šmok
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.