Hellow guys, Welcome to my website, and you are watching KEC 주요개정사항-2 (차단기 케이블 설계-1), Korea Electro technical Code, 한국전기설비규정 (민찬식 기술사 ). and this vIdeo is uploaded by 전기쟁이들의 공부방 at 2020-11-25T19:45:15-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
