Post on 08-Nov-2018
25
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*
. , , ;, 1988.
. , , ;, 1994.
. 1-7, ;, 2000.
. , , :, 2000.
. , , ;, 1996.
*
. http://kr.yahoo.com/
. http://www.science.go.kr/
. http://www.cein.or.kr/
. http://www.kipo.go.kr/
. http://www.chunji.comhttp:/
. http://www.casterkorea.co.kr
. http://www.sangashop.co.kr/
. http://www.inventor.or.kr/
. http://www.kipa.org/
. http://search.encyber.com/
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