Wung-Yong Choo

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Pohang-shi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of making an as-rolled multi-purpose weathering steel plate...
- Patent number 6,187,117
- Issue date Feb 13, 2001
- Bethlehem Steel Corporation
- Yulin Shen
- C21 - METALLURGY OF IRON