Hajime Nakamura

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Hiroshima, JP

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Patents Grantslast 30 patents

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Apparatus for the determination of silicon in molten metal
- Patent number 4,708,783
- Issue date Nov 24, 1987
- Nisshin Steel Co., Ltd.
- Hajime Nakamura
- G01 - MEASURING TESTING
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Determination of silicon in molten metal
- Patent number 4,657,641
- Issue date Apr 14, 1987
- Nisshin Steel Co., Ltd.
- Hajime Nakamura
- G01 - MEASURING TESTING
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Apparatus for sampling molten metal
- Patent number 4,428,245
- Issue date Jan 31, 1984
- Nisshin Steel Company Limited
- Hajime Nakamura
- G01 - MEASURING TESTING
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Reference electrode for oxygen probe
- Patent number 4,399,022
- Issue date Aug 16, 1983
- Nisshin Steel Company, Ltd.
- Yoshio Nakajima
- G01 - MEASURING TESTING