Title: Vystavka pri 1-m Vysochaĭshe utverzhdennom Sʺi︠e︡zdi︠e︡ russkikh di︠e︡i︠a︡teleĭ po tekhnicheskomu i professīonalʹnomu obrazovanīi︠u︡ v Rossīi
Subjects: Technical education, Congresses, Exhibitions
Places: Russia