Keisuke Kato

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Chiba-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-swellable compositions and sealants
- Patent number 6,007,615
- Issue date Dec 28, 1999
- Kunimine Industries Co., Ltd.
- Keisuke Kato
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES