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ES5869A1886-04-241886-04-24Un procedimiento para la fabricación de un papel en polvo desinfectante que limpia y blanquea al mismo tiempo.
ExpiredES5869A1
(es)
Un producto industrial consistente en papel obtenido con bagazo de caña de azúcar utilizando para su fabricación los procedimientos industriales empleados en la fabricación de los demás papeles.
Un procedimiento para la fabricación industrial de envases, recipientes y botellas de cartón de pasta de madera por medio de los aparatos que se describen.