Yasuhiro Shimizu

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Osaka, JP

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Patents Grantslast 30 patents

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Powder of oxide for dielectric ceramics and a process for producing...
- Patent number 5,204,031
- Issue date Apr 20, 1993
- Osaka Titanium Co., Ltd.
- Munetoshi Watanabe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES