김재진 곽승엽 김창근 2024-01-12T11:02:11Z 2024-01-12T11:02:11Z 1997-01-14 https://pubs.kist.re.kr/handle/201004/85107 방향족　폴리에스테르　또는　방향족　폴리에스테르와　폴리아미드　공중합체의　활성층을　갖는　역삼투용　복합막 Patent 1997-01-14 1995-12-08 5,593,588 08/569,903 US 특허 한국과학기술연구원