Takuma Yen

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for treating molten steel slag with red mud from aluminum i...
- Patent number 4,179,279
- Issue date Dec 18, 1979
- Nippon Jiryoku Senko Co., Ltd.
- Genzaburo Harada
- C21 - METALLURGY OF IRON