Description: 8 bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers / 8 bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers/(550) organic additive for dye composition, dye composition containing organic additive, process or product; other than emulsifier, ph adjuster or starch or gum print paste thickener (565) six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen (567) diazines (including hydrogenated)
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