降温试验 家用制冷器具性能和测试方法 IEC 62552-1:2015+A1:2020,EN 62552-1:2020,IEC 62552-2:2015+A1:2020, EN 62552-2:2020,MS IEC 62552-1:2016,MS IEC 62552-2:2016,NIS IEC 62552-1:2015,NIS IEC 62552-2:2015;AS/NZS IEC 62552.1:2018, AS/NZS IEC 62552.2:2018, KS IEC 62552-1:2015, KS IEC 62552-2:2015 附录A