Takashi Tsuboi

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Tottori, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric ceramic composition
- Patent number 4,900,702
- Issue date Feb 13, 1990
- Nippon Ferrite, Ltd.
- Takashi Tsuboi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES