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Super Strong Neodymium Magnet N42 1.5 x 3/8" w/ Countersunk Hole Disc, The World's Strongest & Most Powerful Rare Earth Magnets by Applied Magnets 1Pc: Amazon.com: Industrial & Scientific
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Jual Neodymium magnet hard disk ukuran tebal besar dan campuran - Kota Surabaya - Partbekas | Tokopedia
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material science - What is blocking the magnetic field of this neodymium magnet? - Physics Stack Exchange
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