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| First Page | Document Content | |
|---|---|---|
 Date: 2010-07-28 12:55:36Magnet Ferromagnetic materials Electromagnet Rare-earth magnet Neodymium magnet Electromagnetism Physics Magnetism |
| First Page | Document Content | |
|---|---|---|
Date: 2010-07-28 12:55:36Magnet Ferromagnetic materials Electromagnet Rare-earth magnet Neodymium magnet Electromagnetism Physics Magnetism |
