Uoo Chang Chung

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Pohang, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for reducing fine iron ore
- Patent number 5,897,829
- Issue date Apr 27, 1999
- Pohang Iron & Steel Co., Ltd.
- Hang Goo Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Fluidized bed type reduction apparatus for iron ores and method for...
- Patent number 5,762,681
- Issue date Jun 9, 1998
- Pohang Iron & Steel Co., Ltd.
- Il Ock Lee
- C21 - METALLURGY OF IRON