PATENTS_10-1706180 _Jul 27, 2017

2017년 July 27일, 5:32 pm

Jae Eun Jang, Seung Wook Kim, Cheil Moon, Sam Hwan Kim, Seung Joon Yoo, Jae Youn Hwang, “Device and method which able tovisually observe the composite material of the transparent colorless , 10-1706180