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BLACK DYE MIXES CONTAINING NITROGEN DYES REACTIVE IN RESPECT TO FIBRE AS WELL AS THEIR APPLICATION IN DYEING FIBROUS MATERIAL INCORPORATING HYDROXYL AND/OR CARBAMIDE GROUPS
BLACK DYE MIXES CONTAINING NITROGEN DYES REACTIVE IN RESPECT TO FIBRE AS WELL AS THEIR APPLICATION IN DYEING FIBROUS MATERIAL INCORPORATING HYDROXYL AND/OR CARBAMIDE GROUPS