Not being able to implement his invention in his home country, engineer Arrowsmith, the author of the patent for ore flotation, goes to the USSR to work at one of the flotation plants, where he soon learns that a group of Soviet engineers is conducting similar work.
- Created by
- Aleksandr Stolper
- Origin
- SU
- TMDB rating
- 7.0 / 10 · 1 vote
