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Publication of ES227282A3publicationCriticalpatent/ES227282A3/es
Cigarettes, Filters, And Manufacturing Of Filters
(AREA)
Abstract
Mejoras introducidas en la fabricación de filtros, especialmente para humo de tabaco, caracterizadas por consistir en una masa de poros finos de espuma de resina sintética, con materias fibrosas.
ES0227282A1954-12-301956-03-14MEJORAS INTRODUCIDAS EN LA FABRICACIoN DE FILTROS, ESPECIALMENTE PARA HUMO DE TABACO
ExpiredES227282A3
(es)