Hidetsugu Sakakibara

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Handa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bottom structure for a DC electric arc furnace
- Patent number 5,268,924
- Issue date Dec 7, 1993
- Daidotokushuko Kabushikikaisha
- Hidetsugu Sakakibara
- C21 - METALLURGY OF IRON