Hellow guys, Welcome to my website, and you are watching Проектирование вентиляционных систем. Фильтры вентиляционные. Видео-курс.. and this vIdeo is uploaded by НАВЧАЛЬНИЙ ЦЕНТР кафедра "Холодильного обладнання" at 2022-10-31T21:15:00-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
