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Dongwon Lee
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Gyeongsangnam-do, KR
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last 30 patents
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Patent Grant
Method for preparing R-Fe-B-based rare earth magnetic powder for a...
Patent number
9,230,721
Issue date
Jan 5, 2016
Korea Institute of Machinery & Materials
Ji-Hun Yu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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Patent Application
Method For Preparing R-FE-B-Based Rare Earth Magnetic Powder For A...
Publication number
20130320585
Publication date
Dec 5, 2013
Korea Institute of Machinery and Materials
Ji-Hun Yu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...