Home / Standards / GB/T 4596-2012 GB/T 4596-2012 Active E-cores for three-phase transformers for use in electronic equipment 电子设备用三相变压器E形铁心 Standard Type GBT ICS 29.100.10 CCS L17 Status 现行 Issue Date 2012-12-31 Implementation 2013-06-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A