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Individual
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Individual
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Priority to ES0075709UpriorityCriticalpatent/ES75709U/es
Publication of ES75709UpublicationCriticalpatent/ES75709U/es
Esponja perfeccionada, que se caracteriza por presentar solidarizada sobre una porción de la superficie de la masa porosa y flexible que la constituye un recubrimiento de una materia abrasiva apropiada.