Takashi Genba

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alumina-spinal monolithic refractories
- Patent number 4,990,475
- Issue date Feb 5, 1991
- Harima Ceramic Co. Ltd.
- Osami Matsumoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES