Shinsuke Oba

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Nagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a structural member
- Patent number 5,599,408
- Issue date Feb 4, 1997
- Mitsubishi Jukogyo Kabushiki Kaisha
- Akitsugu Fujita
- C21 - METALLURGY OF IRON