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Publication of ES175842YpublicationCriticalpatent/ES175842Y/es
Grapa perfeccionada, del tipo que presenta alas divergentes en orden a posibilitar su apilado múltiple, esencialmente se caracteriza porque en cada una de sus alas se ha previsto una ventana, rectangular en combinación con una porción curvada hacia adentro que está limitada por el borde del ala y por el borde inferior de la ventana.