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Individual
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Individual
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Priority to ES1971168071UpriorityCriticalpatent/ES168071Y/en
Publication of ES168071UpublicationCriticalpatent/ES168071U/en
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Publication of ES168071YpublicationCriticalpatent/ES168071Y/en
Recreational game of skill, essentially characterized to be constituted by a pair of balls, solid, of adequate diameter and resistant plastic material, preferably; diametrically drilled to establish an axial passage through which the end of a few ends whose ends appear knotted in the lower end of these and in which, so that the knots do not protrude from the periphery of the sphere presents a hollow to mode with a concave cap and, on the opposite end, both ends are knotted in a ring of small diameter, point of attachment of the user that when ascending and descending, rhythmically and gradually faster the assembly, will cause the balls to clash and reach frictions in the diametrically opposite point from where they start. (Machine-translation by Google Translate, not legally binding)
ES1971168071U1971-04-171971-04-17
RECREATIONAL GAME OF SKILL.
ExpiredES168071Y
(en)
Gyroscopic device used indistinately as a toy and for the practice of physical exercise. (Machine-translation by Google Translate, not legally binding)