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Application of the benzidine colours in all branches of printing (1898)
Farbenfabriken Bayer Aktiengesellschaft · Elberfeld · leaf 32
14 Dyed with: 3l/2°/o Benzo Green G;discharged with tin. … 16 Dyed with: 4°/0 Benzo Chrome Brown K;discharged with tin.Textile fabrics · Dyes and dyeing
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