한승희 이연희 2024-01-12T05:31:01Z 2024-01-12T05:31:01Z 2001-08-10 https://pubs.kist.re.kr/handle/201004/78560 입체　고분자　재료의　표면처리방법 Patent 2001-08-10 2000-11-01 3220445 12-334520 JA 특허 한국과학기술연구원