Date | Title, short description | |
---|---|---|
12.10 14.10.2011 |
Oil. Gas. Energo. Chemistry. Ecology - 2011 (Almetyevsk) 10th International Specialized Exhibition |
|
18.05 20.05.2011 |
Oil Refining. Petrochemistry. Power Generation. Ecology. Lubricants - 2011 (Nizhnekamsk) 8th International Specialized Exhibition |