Kazuhiro Matsui

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Infrared transparent glass ceramic articles with beta-quarts solid...
- Patent number 4,835,121
- Issue date May 30, 1989
- Nippon Electric Glass Company, Limited
- Takehiro Shibuya
- C03 - GLASS MINERAL OR SLAG WOOL