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BOURDALE LUCIEN
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BOURDALE LUCIEN
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Application filed by BOURDALE LUCIENfiledCriticalBOURDALE LUCIEN
Priority to ES0262150ApriorityCriticalpatent/ES262150A1/es
Publication of ES262150A1publicationCriticalpatent/ES262150A1/es
Mejoras introducidas en la fabricación de elementos filtrantes del tipo de superficie, que se caracterizan porque dichos elementos se componen de dos cintas de material filtrante separadas por una cinta intermedia cuyas dos caras están surcadas de canales que desembocan en uno de los bordes del elemento.
ES0262150A1960-11-021960-11-02Mejoras introducidas en la fabricaciën de elementos filtrantes del tipo de superficie
ExpiredES262150A1
(es)