Mikio Hitaka

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric porcelain composition
- Patent number 4,775,649
- Issue date Oct 4, 1988
- UBE Industries, Ltd.
- Ryozo Kitoh
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES