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Anthracyanin A-Marken = Anthracyanine A-brands = Les marques d'anthra cyanine A

Farbenfabriken vorm. Friedrich Bayer & Co · 1900 · Leverkusen bei Köln am Rhein : Farbenfabriken vorm. Fried. Bayer & Co. · 13 pictures

Dyes and dyeing -- Wool

Internet Archive · Getty Research Institute · Public domain (published before 1931) · More from this library