Gyu Seung Choi

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Kyong Sang Book-Do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing high magnetic flux denshy grain oriented e...
- Patent number 6,451,128
- Issue date Sep 17, 2002
- Pohang Iron & Steel Co., Ltd.
- Chung San Lee
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for manufacturing oriented electrical steel sheet by heating...
- Patent number 5,653,821
- Issue date Aug 5, 1997
- Pohang Iron & Steel Co., Ltd.
- Gyu Seung Choi
- C21 - METALLURGY OF IRON