Toshiki Hasegawa

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Yokohama, JP

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Patents Grantslast 30 patents

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Process for producing an improved alumina-zirconia composite sinter...
- Patent number 5,061,665
- Issue date Oct 29, 1991
- The Japan Carlit Co., Ltd.
- Ichiro Seki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES