Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Navoi State Mining Institute
Akram Tovbaev, Gayrat Boynazarov, Islom Togaev
Gayrat Boynazarov, Akram Tovbaev, Uktam Usarov