Kensei Itakura

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Shinminato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Blue colored artificial stone stocks and method of manufacturing th...
- Patent number 4,381,348
- Issue date Apr 26, 1983
- Nippon Kokan Kabushiki Kaisha
- Toshio Kamatani
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES