Kazuo Ozaki

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production of high-density carbon materials
- Patent number 4,202,868
- Issue date May 13, 1980
- Maruzen Petrochemical Co., Ltd.
- Kiyoshige Hayashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES