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  - B
  - B
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- I
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Optical Brighteners For Plastic, Resin

E
B

A

NC, B, B,B<

P

荧光增白剂EBF新 — B
L

荧光增白剂351新 — A

荧光增白剂OB新 — B

BBU正 — B

BA 1 — B

cof — B

MST — A

Intermediate

L

T
O
Á
A
1
2
B
O
A
A
A
C

B
V
R

A

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T
R

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R

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M

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A

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A

h2
L
J2
S
L2
E
C2
L
B2
L
m2
L

b

B
A
A
A
C
A
A
A
9
B
A

3
T
s

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