耐腐蚀1J85镍铁合金,1J85紧密合金,1J85软磁合金,可定制 坡莫合金:1J50、1J79、1J85 软磁合金1J30 1J31 1J32 1J34 1J36 1J38 1J41 1J42 1J46 1J47 1J50 1J51 1J52 1J68 1J54 1J64 1J65 1J67 1J76 1J86 1J82 1J83 1J116 1J117 永磁合金2J4 2J79 2J10