英文名称:1,1,1,2,2,3,3-Heptafluoro-3-[(trifluoroethenyl)oxy]propane polymer with tetrafluoroethene and trifluoro(trifluoromethoxy)ethene; Propane, 1,1,1,2,2,3,3-heptafluoro-3-((1,2,2-trifluoroethenyl)oxy)-, polymer with 1,1,2,2-tetrafluoroethene and 1,1,2-trifluoro-2-(trifluoromethoxy)ethene; Propane, 1,1,1,2,2,3,3-heptafluoro-3-((trifluoroethenyl)oxy)-, polymer with tetrafluoroethene and