Hellow guys, Welcome to my website, and you are watching 폴리에스터 1강. 원유부터 PET까지 / DMT법, TPA법 / 성균관대학교 화학공학 고분자공학부 교수. and this vIdeo is uploaded by 플라스틱 읽어주는 배진영 교수님 at 2019-09-10T19:50:13-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
