Nippon Electric Gas Co., Ltd.

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Shiga-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass composition and method for producing glass article
- Patent number 7,823,416
- Issue date Nov 2, 2010
- Nippon Electric Gas Co., Ltd.
- Shigeaki Aoki
- C03 - GLASS MINERAL OR SLAG WOOL