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Beijing Hongye Coating Materials Company

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  • Information Patent Grant

    Long decay luminescent material
    • Patent number 5,853,614
    • Issue date Dec 29, 1998
    • Beijing Hongye Coating Materials Company
    • Qinglong Hao
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

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