Beijing Prina Chemical Industry Co.,Ltd.
OPTICAL BRIGHTNER CBS-X
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OPTICAL BRIGHTNER FP-127
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OPTICAL BRIGHTNER OB-1
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OPTICAL BRIGHTNER OB
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OPTICAL BRIGHTNER KCB
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OPTICAL BRIGHTNER KSN
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4,4'-BIS(CHLOROMETHYL)-BIPHENYL
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4-FORMYL BENZOIC ACID
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fluorescent brightener
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