Nobuyuki Nakajima

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
High refractive index glass composition
- Patent number 4,141,742
- Issue date Feb 27, 1979
- Fukuoka Tokushugarasu Kabushiki Kaisha
- Nobuyuki Nakajima
- C03 - GLASS MINERAL OR SLAG WOOL