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D
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  - A
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Optical Brighteners For Plastic, Resin

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A

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P

荧光增白剂VBL新 — A
L

荧光增白剂DT新 — E

cl 1 — E

BAC-L — A

O

荧光增白剂OB新 — A

1

Intermediate

P

A
O
P
A
A
A
A
T
A
P
A
A

B
V
C

L

H
R

L

A

G2
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J2
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M2
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P2
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C2
L

r

A
A
J
C
A
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