Kenichi Kitamura

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Freeze-preventing material and method for preventing pavement surfa...
- Patent number 6,126,850
- Issue date Oct 3, 2000
- Showa Denko Kabushiki Kaisha
- Nobuya Ishioka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES