English
Optical Brighteners For Plastic, Resin

R

<ع, م, ك,O<

م

荧光增白剂4bk新

م

ا
cof

م

9

ح

cl 1

م

3

ح

2

س

12

2

Intermediate

ا

  • م
  • ف
  • ا

  • L

    أ

  • A

    ي
م

ا