| 摘要 |
dimethyl ether in a concentration from 71% to 85% by weight and propane in a concentration from 15% to 29% by weight as a replacement or alternative refrigerant for R134a and/or for other refrigerants which are replacements or alternatives to R134a containing HFC (hydrofluorocarbons), HFO (hydrofluoro olefins) and HFE (hydrofluoro ethers). |
