Process for trichromatic dyeing or printing of polyamide
Process for trichromatic dyeing or printing of polyamide
Process for trichromatic dyeing polyamide fibers
Process for trichromatic dyeing polyamide fibres
Process for whitening polyester fibres by the exhaust method
Processes for dyeing paper, and agents containing azo dyestuffs
Production of colored silk filament
Purification of anthocyan solutions