Home / Standards / QB/T 1944-1994 QB/T 1944-1994 Active 交流顶式电风扇和调速器 Standard Type QB ICS N/A CCS N/A Status Active Issue Date 1994-04-23 Implementation 1994-12-01 Centralized Committee 中国轻工总会 Issuing Authority 中国轻工总会