Title: Vystuplenie na press-konferent͡s︡ii predsedateli͡a︡ orgkomiteta u Mezhdunarodnogo gornogo kongresa ministra ugolʹnoĭ promyshlennosti SSSR Borisa Fedorovicha Bratchenko 16 ii͡u︡ni͡a︡ 1967 g
Subjects: Congresses, Mining engineering
People: B. F. Bratchenko