ES22932A3 - Un procedimiento para la preparación de materias colorantes para la tintorería sin mordientes (derivados Trisustituidos de la bencina).
- Google Patents
Un procedimiento para la preparación de materias colorantes para la tintorería sin mordientes (derivados Trisustituidos de la bencina).
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ES22932A1898-07-281898-07-28Un procedimiento para la preparación de materias colorantes para la tintorería sin mordientes (derivados Trisustituidos de la bencina).
ExpiredES22932A3
(es)
Procedimiento para la fabricación mediante aparatos especiales de los extractos de maderas tintóreas sólidos o líquidos, puros o combinados ora entre si, ora con productos extraños.