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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Powder electroluminescent element comprising inorganic electrolumin...
- Patent number 5,069,815
- Issue date Dec 3, 1991
- Osaka-Fu
- Akira Aoki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...