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Naphtol AS on Rayon (1927)
General Dyestuff Corporation, Interessengemeinschaft Farbenindustrie Aktiengesellschaft · leaf 16

Dyes and dyeing -- Textile fibers, Synthetic · Dyes and dyeing -- Rayon · Dye industry · Interessengemeinschaft Farbenindustrie Aktiengesellschaft
Science History Institute · Courtesy of Science History Institute · Public Domain Mark 1.0 (public domain). Free to use for anything.
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