| 摘要 |
<p>A refrigerant composition consists essentially of three hydrofluorocarbon components selected from HFC134a, HFC125 and HFC143a and an additive selected from a saturated or unsaturated hydrocarbon or mixture thereof boiling in the range-5O‹C and +4O‹C. ® KIPO & WIPO 2009</p> |
