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F
P
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  - B
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Optical Brighteners For Plastic, Resin

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A

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荧光增白剂OB新 — C
c

cl 1 — C

荧光增白剂DT新 — B

BAC-L — B

O

BA 1 — B

F

Intermediate

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O
Á
C
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C
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G2
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E1
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C
P
C
C
R
C
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A
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