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procedure for the common faerben of cellulosefasern or their mixtures with synthetic fibres with combinations of the fiber produced wasserunloeslichen azo dyes and kuepen or leukokuepenester - dyes
procedure for the common faerben of cellulosefasern or their mixtures with synthetic fibres with combinations of the fiber produced wasserunloeslichen azo dyes and kuepen or leukokuepenester - dyes
