Home / Standards / GB 34914-2017 GB 34914-2017 Abolished Minimum allowable value of water efficiency and water efficiency grades for reverse osmosis drinking water treatment purifiers 反渗透净水机水效限定值及水效等级 Standard Type GB ICS 91.140.70 CCS Q31 Status 废止 Issue Date 2017-11-01 Implementation 2018-11-01 Responsible Dept 国家标准委 Drafting Unit N/A