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Individual
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Individual
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Priority to ES0261404ApriorityCriticalpatent/ES261404A1/es
Publication of ES261404A1publicationCriticalpatent/ES261404A1/es
Procedimiento de fabricación de un producto impermeabilizante, caracterizado porque, como primera operación, se mezcla un 20 a 50% de anhídrido silícico, un 4 a 10% de alúmina, 1¿5 a 4% de óxido férrico, un 11 a 60% de cal, 0¿05 a 6% de magnesio y del 1 al 16% de sulfuro, cuyas materias se mezclan hasta conseguir un polvo impalpable y, posteriormente, se calcinan en hornos, a temperaturas elevadas, hasta conseguir su reblandecimiento.
ES0261404A1960-09-301960-09-30Procedimiento de fabricaciën de un producto impermeabilizante
ExpiredES261404A1
(es)