Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
3 ta ish
Navoi State Mining Institute
S.B. Inozemtsev, S.N. Fedyanin, V. A. Potapov
S.V. Rudnev, V. A. Potapov, E.V. Neruschenko +1