자료 다운로드 링크 : 9.Russia for the first time exported Mi-28NE helicopters with the newest defense complex

자료 다운로드 링크 : 8.Yakutia for the first time in 25 years purchased a Mi-8MTV helicopter with a medical module

자료 다운로드 링크 : 7.Schwabe introduced a non-contact system for cleaning large-sized optics