US PATENT SUBCLASS 8 / 930
PRETREATMENT BEFORE DYEING

Current as of: June, 1999
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8 /   HD   BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

930PRETREATMENT BEFORE DYEING {1}
931  DF  .~> Washing or bleaching

DEFINITION

Classification: 8/930

PRETREATMENT BEFORE DYEING:

Subject matter involving pretreatment of material before dyeing.