Michinori Yoshikawa

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite immersion nozzle
- Patent number 6,321,953
- Issue date Nov 27, 2001
- Shinagawa Refractories, Co., Ltd.
- Ryosuke Nakamura
- B22 - CASTING POWDER METALLURGY