Sumie Koyasu

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Kibie, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric ceramic composition for high frequency
- Patent number 5,432,135
- Issue date Jul 11, 1995
- Kyocera Corporation
- Seiichi Hirahara
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES