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Individual
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Individual
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Priority to ES0190862ApriorityCriticalpatent/ES190862A1/es
Publication of ES190862A1publicationCriticalpatent/ES190862A1/es
Procedimiento de impermeabilización hidrófuga aplicable a tejidos fieltros papel y cartón caracterizado porque el material (tejido madeja cartón etc.) a tratar es sometido a una solución de acetato o formato de alúmina a 7ºBº y a 48º C procediendo después a su secado.
ES0190862A1949-12-171949-12-17PROCEDIMIENTO DE IMPERMEABILIDAD HIDRoFUGA APLICABLE A TEJIDOS, FIELTROS, PAPEL Y CARToN
ExpiredES190862A1
(es)