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method for preparation of acid azo dyes and dyeing.foularderen and printing of textile materials of natural and / or synthetic polyamides with these azo dyes and thus gefoulardeerde dyed, and printed textile materials.
method for preparation of acid azo dyes and dyeing.foularderen and printing of textile materials of natural and / or synthetic polyamides with these azo dyes and thus gefoulardeerde dyed, and printed textile materials.
