Home / Standards / SJ/T 9072.3-1997 SJ/T 9072.3-1997 Abolished 变压器和电感器磁芯制造厂产品目录中有关铁氧体材料资料的导则 Standard Type SJ ICS N/A CCS N/A Status Abolished Issue Date 1997-09-02 Implementation 1998-01-01 Centralized Committee 电子工业部 Issuing Authority 电子工业部