Jeong Keun Jang*, Jae Ho Cha*, Bo Mi Lee**, Sung Ho Yoon*†
* Department of Mechanical Engineering, Kumoh National Institute of Technology
** Kolon Industries
장정근* · 차재호* · 이보미** · 윤성호*†
This Article2020; 33(6): 341-345
Published on Dec 31, 2020
Correspondence to* Department of Mechanical Engineering, Kumoh National Institute of Technology
** Kolon Industries