磁头用软磁合金1J92 1J93 1J94
高弹性合金3J1 3J21 ..
无磁性合金3J1 3J21 ..
耐高温合金3J1 3J21 ..
磁滞合金2J64 2J65
磁头用软磁合金1J93 1J..
磁头用软磁合金1J92 1J..