| 摘要 |
2126186 9314175 PCTABS00024 A refrigerant composition comprising a mixture of difluoromethyl trifluoromethyl ether and at least one other fluorine containing compound selected from 1,1,1,2-tetrafluoroethane, fluoromethyl trifluoromethyl ether and bis(difluoromethyl) ether is claimed.
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