Syoji Nakamura

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Osaka, JP

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Patents Grantslast 30 patents

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Electric arc furnace for steel making, with no refractory bricks at...
- Patent number 4,161,620
- Issue date Jul 17, 1979
- Kyoei Seiko Kabushiki Kaisha
- Syoji Nakamura
- C21 - METALLURGY OF IRON