Seiji Gejima

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Patents Grantslast 30 patents

Information Patent Grant
Dielectric material, and a condenser made from the same
- Patent number 5,183,786
- Issue date Feb 2, 1993
- Matsushita Electric Industrial Co., Ltd.
- Seiji Gejima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES