Home / Standards / SJ/T 11264-2002 SJ/T 11264-2002 Active 扬声器用永磁铁氧体磁体尺寸及公差 Standard Type SJ ICS N/A CCS N/A Status Active Issue Date 2002-05-23 Implementation 2002-05-23 Centralized Committee 信息产业部 Issuing Authority 信息产业部