Senji Kaneko

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Yokohama City, Kanagawa Pref., JP

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Patents Grantslast 30 patents

Information Patent Grant
Ceramic tile produced from sludge slag
- Patent number 5,175,134
- Issue date Dec 29, 1992
- Kaneko; Senji
- Senji Kaneko
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES