BS 9925-01.01-1984
电子元器件用质量评估协调体系.通信用电感器和变压器磁芯.第1部分:空白详细规范:电感器用磁性氧化物磁心.第1节:A级评估
Harmonized system of quality assessment for electronic components - Inductor and transformer cores for telecommunications - Blank detail specification: magnetic oxide cores for inductor applications - Assessment level A