Home / Standards / SJ/T 10301-1992 SJ/T 10301-1992 Abolished 扬声器用T型导磁体尺寸系列 Standard Type SJ ICS N/A CCS N/A Status Abolished Issue Date 1992-06-15 Implementation 1992-12-01 Centralized Committee 电子工业部 Issuing Authority 电子工业部