Keiji Kamegawa

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Bizen, JP

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Patents Grantslast 30 patents

Information Patent Grant
Good aesthetic artificial dental materials by calcium phosphate gla...
- Patent number 4,626,514
- Issue date Dec 2, 1986
- Kyushu Refractories Co., Ltd.
- Akira Watanabe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE