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Xifeng Lin

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  • Yantai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing an R-T-B-M sintered magnet
    • Patent number 9,672,981
    • Issue date Jun 6, 2017
    • YANTAI SHOUGANG MAGNETIC MATERIALS INC.
    • Xifeng Lin
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents