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Priority to ES0058480UpriorityCriticalpatent/ES58480U/en
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A game perfected for children's constructions whose essentiality consists of starting from pieces of rectangular shape with their two larger sides sawed in regular square shapes and so that each of these grooves is apt to fit with another and still other pieces with the same characteristics , and these in turn, will have the same possibility. (Machine-translation by Google Translate, not legally binding)
ES0058480U1957-01-311957-01-31A perfect game for children's constructions (Machine-translation by Google Translate, not legally binding)
PendingES58480U
(en)