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US913128A
(en )
1909-02-23
Art of coloring wood.
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GB190109556A
(en )
1902-05-01
Process for Producing fast Colors upon any kind of Leather or other Material by the Employment of Titanium Salts combined with Tanning Material or with Mordant Colors.
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(de )
1930-12-20
Verfahren zum Faerben von Viscose
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(de )
1923-10-04
Verfahren zum Faerben von Leder
DE270670C
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(de )
1932-10-25
Verfahren zum Faerben mit Kuepenfarbstoffen