Katsuhei Minami

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Bizen, JA

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Patents Grantslast 30 patents

Information Patent Grant
Alumina-chrome refractory composition
- Patent number 4,039,344
- Issue date Aug 2, 1977
- Kyushu Refractories Co., Ltd.
- Yasuo Nishikawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES