Home / Standards / GB/T 20872-2007 GB/T 20872-2007 Active Dimensions of low-profile cores made of magnetic oxides 磁性氧化物制成的低矮形磁芯的尺寸 Standard Type GBT ICS 29.100.10 CCS L19 Status 现行 Issue Date 2007-02-09 Implementation 2007-09-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A