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Release date: 10/05/1939 
Popularity: 0 
Original language: RU 
Add to favoritesEngineer Kochin's Error
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Overview
Engineer-designer of the Moscow aviation plant Cochin took the secret blueprints home. He didn't know that foreign intelligence had long been hunting for these blueprints...
Alternative titles
Oshibka Inzhenera Kochina
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