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Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like
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Detergent Compositions
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Abstract
Un procedimiento de blanqueo químico, consistente en impregnar primero a fondo el producto a blanquear en un ácido, después, en impregnar dicho producto superficialmente de un agente de blanqueo, tal como un compuesto de cloro y en exponer seguidamente al calor el producto impregnado así a fondo de un ácido y, superficialmente, de un agente de blanqueo.
ES0222142A1954-06-011955-05-31Un procedimiento de blanqueo quimico
ExpiredES222142A1
(es)