Takayoshi Yamamoto

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Iizuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon carbide-boron carbide carbonaceous body
- Patent number 4,518,702
- Issue date May 21, 1985
- Director-General of the Agency of Industrial Science and Technology
- Hisayoshi Yoshida
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES