안병성 송정환 박건유 문동주 2024-01-12T18:31:43Z 2024-01-12T18:31:43Z 2003-05-20 https://pubs.kist.re.kr/handle/201004/93660 1,1-디플루오로에탄　제조용　촉매　및，1,1-디플루오로에탄　제조방법 Patent 2003-05-20 2001-07-05 6,566,567 09/897,899 US 특허 한국과학기술연구원