Home / Standards / GB 28381 GB 28381 Upcoming Minimum allowable values of energy efficiency and energy efficiency grades for blowers 鼓风机能效限定值及能效等级 Standard Type GB ICS 27.010 CCS F01 Status 即将实施 Issue Date 2026-03-31 Implementation 2027-04-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委