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Individual
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Individual
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Priority to ES0004398UpriorityCriticalpatent/ES4398U/es
Publication of ES4398UpublicationCriticalpatent/ES4398U/es
La propiedad y la explotación exclusiva de una cartera escolar, de las que se utilizan para guardar y conducir libros, papeles y objetos pedagógicos, que tiene la particularidad de llevar fijadas en los cuatro ángulos o aristas que presenta su boca otras tantas abrazaderas o armaduras angulares, de metal o de otra materia resistente, que sirven para reforzar dicha boca y como elementos decorativos.
Dichtungseinrichtung zur Abdichtung von Kolben, Stopfbüchsen oder ähnlichen, relativ zu andern Teilen beweglichen Teilen, mit mehreren hintereinander angeordneten Dichtungsringen.