US PATENT SUBCLASS 8 / 931
.~ Washing or bleaching

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

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

DEFINITION

Classification: 8/931

Washing or bleaching:

(under subclass 930) Subject matter involving washing or bleaching.