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Publication of ES182440YpublicationCriticalpatent/ES182440Y/es
Cremona perfeccionada, esencialmente caracterizada porque su cuerpo en el que va montada la manivela esta constituido por una porción de perfil metálico extrusionado, de forma acanalada, convertido en caja, al obturar sus extremos encajando en ellos sendos tapones perforados transversalmente junto con el perfil, para formar los orificios de fijación.