Title: Nat͡sionalna konferent͡sii͡a s mezhdunarodno uchastie na tema, "Standartnite obrazt͡si v sistemata za metrologichno osiguri͡avane na narodnoto stopanstvo," 17-19 noemvri 1983 g., Dom na tekhnikata, Plovdiv
Subjects: Congresses, Standardization
Places: Soviet Union