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Method for preparing sulfide phosphors
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Patent number 5,102,579
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Issue date Apr 7, 1992
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USR Optonix, Inc.
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Shuji Inaho
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3566012
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Patent number 3,566,012
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Issue date Feb 23, 1971
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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2615849
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Patent number 2,615,849
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Issue date Oct 28, 1952
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...