Takanori Shimizu

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbonaceous bricks and the method for producing the same
- Patent number 4,216,020
- Issue date Aug 5, 1980
- Kyusyu Refractories Co., Ltd.
- Akira Watanabe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES