Yozo Ogawa

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dual phase-structured hot rolled high-tensile strength steel sheet...
- Patent number 4,561,910
- Issue date Dec 31, 1985
- Kawasaki Steel Corporation
- Toshiyuki Kato
- C21 - METALLURGY OF IRON