Katsunori Nakao

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Patents Grantslast 30 patents

Information Patent Grant
Arc furnace with variable capacity
- Patent number 4,630,281
- Issue date Dec 16, 1986
- Ishikawajima-Harima Jukogyo Kabushiki Kaisha
- Katsunori Nakao
- C21 - METALLURGY OF IRON