오세창 안성욱 2024-01-12T21:04:02Z 2024-01-12T21:04:02Z 1996-08-02 https://pubs.kist.re.kr/handle/201004/96640 단결정　제조방법 Patent 1996-08-02 1993-11-08 102980 1993-23580 KO 특허 한국과학기술연구원