Nagatoshi Hayakawa

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric arc furnace cooling apparatus
- Patent number 6,104,743
- Issue date Aug 15, 2000
- Daido Tokushuko Kabushiki Kaisha
- Tamotsu Nomura
- F27 - FURNACES KILNS OVENS RETORTS