Beijing Hongye Coating Materials Company

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Beijing, CN

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Patents Grantslast 30 patents

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...