Kiyoshi Nishioka

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cooling device for blast furnace bottom wall bricks
- Patent number 6,638,473
- Issue date Oct 28, 2003
- Nippon Steel Corporation
- Kiyoshi Nishioka
- C21 - METALLURGY OF IRON