C09B43/02 - CPC Classification Index

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Classification
C09B
C09B43/00
C09B43/02

ClassID:

102253 ⎘

C09B43/02 - CPC Classification

Classification description:

Preparation of azo dyes from other azo compounds by sulfonation

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Classification
C09B
C09B43/00
C09B43/02

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