兑水 发表于 2009-9-10 20:05:36

ASTM A 1009-2005 高频电力变压器和滤波感应器用软磁...

A1009-00 Standard Specification for Soft Magnetic MnZn Ferrite Core Materials for High Frequency (10 kHz-1 MHz) Power Transformer and Filter Inductor Applications
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