Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Laboratory No. 2 of the USSR Academy of Sciences
B. S. Yuldashev, T. B. Ashrapov, Kh.Kh. Karabaev +5
E. P. Ryazantsev, P.M. Egorenkov, V.A. Nassonov +7