Other Engineering
Duration:2015.7.3 ~ 2016.08.14
Duration:1999.07.11 ~ 2001.07.11
Checked and accepted on:2001.12.24
Duration:1999.02.08 ~ 2000.09.06
Checked and accepted on:2000.12.05
Duration:1994.05.21 ~ 1996.05.30
Duration:1997.06.14 ~ 1998.12.09
Duration:1999.12.16 ~ 2000.08.05
Duration:2007.1.20 ~ 2010.10.13
Duration:2005.02.06 ~ 2006.08.18