C09B7/12 - CPC Classification Index

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Classification
C09B
C09B7/00
C09B7/12

ClassID:

101932 ⎘

C09B7/12 - CPC Classification

Classification description:

Indigoid dyes Other thionaphthene indigos

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Classification
C09B
C09B7/00
C09B7/12

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