Ichiro Hattori

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Bizen, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for gunning a refractory composition
- Patent number 4,981,731
- Issue date Jan 1, 1991
- Shinagawa Refractories, Co., Ltd.
- Eiichi Yorita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES