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MORDANT SOLUTION FOR TREATING FIBRES, FOR DYEING AND SETTING NATURAL DYES COMPRISING AQUEOUS ALUM AND SODA ASH, THE CONCENTRATION OF ALUM TO SODA ASH BEING 7:1; PROCESS FOR PERMANENTLY DYEING FIBRES
MORDANT SOLUTION FOR TREATING FIBRES, FOR DYEING AND SETTING NATURAL DYES COMPRISING AQUEOUS ALUM AND SODA ASH, THE CONCENTRATION OF ALUM TO SODA ASH BEING 7:1; PROCESS FOR PERMANENTLY DYEING FIBRES