Results 1-6 of 6
한국해양과학기술원, 2017
201310157758.1 (2013.05.02) / ZL201310157758.1 (2016.01.20)
2013-095599 (2013.04.30) / 5588540 (2014.08.01)
10-2012-0060700 (2012.06.07) / 10-1383159 (2014.04.02)
국토해양부, 2011
한국해양과학기술원, 2011