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Priority to ES1978234440UpriorityCriticalpatent/ES234440Y/en
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Publication of ES234440YpublicationCriticalpatent/ES234440Y/en
Set of composition, essentially characterized by being composed of numerous pieces of two types one of them is a sphere that, along its central axis, has a series of housings or niches and lugs, in such a way that the lugs are capable to penetrate by simple pressure in the housings, to allow the unión of various spheres, existing in antagonistic position, above and below the mentioned central axis, another housing and another lug, with identical ends of unión, while the second piece is a hollow cylinder whose diameter coincides with those of the housings of the sphere, to allow the unión of both pieces by simple pressure. (Machine-translation by Google Translate, not legally binding)
New recommended gymnastic-recreational apparatus to promote the development of the musculature of the arms and back. (Machine-translation by Google Translate, not legally binding)