专利号:CN-114174250-A 优先权日:2020-11-06 标 题 :A New Process for Industrial Synthesis of Perfluoromethyl Vinyl Ether and 2-Fluoro-1,2-Dichloro-trifluoromethoxyethylene
专利号:CN-114728873-A 优先权日:2020-11-25 标 题 :A New Process for Industrial Synthesis of Perfluoromethyl Vinyl Ether and 1,1,2,2-Tetrafluoro-1-Trifluoromethoxyethane