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Individual
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Priority to ES18789ApriorityCriticalpatent/ES18789A1/es
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ES18789A1896-03-141896-03-14Un procedimiento de fabricación de sustancias albuminosas por medio de mezclas y de productos animales y vegetales.
ExpiredES18789A1
(es)
Un procedimiento para la producción de nuevos productos carboxilados derivados de compuestos amidados o fenólicos y amidados y fenólicos del trifenilmetano.
Un aparato para la fabricación de ácido sulfuroso o de otros productos propios para la saturación de líquidos por la combustión del azufre u otras materias.