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Naphthionic acid
145 Aromatic Amines: Use in Azo Dye Chemistry Harold S. Freema
United States Patent [191 [1 1] 4,163,675 Hirano Et Al
SECTION-VI 238 CHAPTER-29 Organic Chemicals 1. Except Where
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Important Early Synthetic Dyes
Harmonized Tariff Schedule of the United States (2010) (Rev
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CHAPTER 29 ORGANIC CHEMICALS VI 29-1 Notes 1
Green References01 2018.Pdf
United States Patent Office
Unlteosrates PATENT OFFICE'
The Oxidation of Azo Dyes and Its Relation to Light Fading
United States Patent Office
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