Masaaki Nishi

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Fukuyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite sinter of silicon nitride/boron nitride and method for ma...
- Patent number 4,412,008
- Issue date Oct 25, 1983
- Nippon Kokan Kabushiki Kaisha
- Akira Miyamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES