Proud 640
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.
- Year : 1950
- Country : Czechoslovakia
- Genre : Documentary
- Studio : Studio populárně vědeckých a naučných filmů Gottwaldov
- Keyword : civil engineering
- Director : Oldřich Mirad
- Cast :