Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
North-Caucasian Mining and Metallurgical Institute
Rongxiao Du, Haopeng Cao, Guohui Wang +3
Rongchen Wang, Haopeng Cao, Chao Yao +5