Proud 640 (1950)
Watch Proud 640 Full Movie Free Online On Streamings GoMovies. A picture of the new step-by-step process of building construction called "flow 640", which ensures optimal continuity of the individual professional parts of building construction.
- Country : Czechoslovakia
- Genre : Documentary
- Studio : Studio populárně vědeckých a naučných filmů Gottwaldov
- Director : Oldřich Mirad
- Cast :