Hirotsugu Matsunaga

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Okawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sintered body having high corrosion resistance and containing ZRB2
- Patent number 4,952,532
- Issue date Aug 28, 1990
- Denki Kagaku Kogyo Kabushiki Kaisha
- Kei Isozaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES