BS 9925 Pt.02.01 and Pt.02.02-1988
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心.第2部分:空白详细规范:宽带变压器用磁氧化物磁心.第1节和第2节:A级和B级评估
Harmonized system of quality assessment for electronic components - Inductor and transformer cores for telecommunications - Blank detail specification: magnetic oxide cores for broad-band transformers - Assessment levels A and B