兑水 发表于 2009-9-10 19:13:21

ASTM A 977-2002 用磁滞曲线图测定高矫顽力永久磁性材料磁性...

A977/A977M-02 Standard Test Method for Magnetic Properties of High-Coercivity Permanent Magnet Materials Using Hysteresigraphs
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