C09B 33/32
Tetrazo dyes of the type [image cpc-sch-c09b-1015.gif]
Official title: Tetrazo dyes of the type [IMAGE cpc-sch-C09B-1015.gif]
C09B33/32 (Tetrazo dyes of the type [image cpc-sch-c09b-1015.gif]) appears on 0 US grants and 0 published applications in this corpus.
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