Toshiyuki Kasajima

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Enamel frit composition for direct coating
- Patent number 4,975,391
- Issue date Dec 4, 1990
- Ikebukuro Horo Kogyo Co., Ltd.
- Tadao Shimizu
- C03 - GLASS MINERAL OR SLAG WOOL