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Li Bingquan
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Shanghai, CN
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last 30 patents
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Patent Grant
High performance phosphate green fluorescent powder and its method...
Patent number
5,422,040
Issue date
Jun 6, 1995
Shanghai Yue Long Nonferrous Metals Ltd.
Tong Maofu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...