Shiro Torizuka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
High strength high toughness TiB.sub.2 ceramics
- Patent number 4,933,308
- Issue date Jun 12, 1990
- NKK Corporation
- Hiroaki Nishio
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES