Home / Standards / GB/T 9634.3-2002 GB/T 9634.3-2002 Active Ferrite cores--Guide on the limits of surface irregularities--Part 3:ETD-cores and E-cores 铁氧体磁心表面缺陷极限导则 第3部分:ETD和E形磁心 Standard Type GBT ICS 29.100.10 CCS L19 Status 现行 Issue Date 2002-12-04 Implementation 2003-05-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A