Ryuya Toyonaga

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Ebina, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing a divalent europium activated alkaline earth...
- Patent number 4,161,457
- Issue date Jul 17, 1979
- Dai Nippon Toryo Co., Ltd.
- Koichi Takahashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...