Hideto Nagai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat-resistant and corrosion-resistant composition
- Patent number 5,051,207
- Issue date Sep 24, 1991
- Nippon Oil Co., Ltd.
- Toshikatsu Ishikawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES