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Priority to ES0039519UpriorityCriticalpatent/ES39519Y/en
Publication of ES39519UpublicationCriticalpatent/ES39519U/en
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Publication of ES39519YpublicationCriticalpatent/ES39519Y/en
A set for children's constructions, formed by a collection of pieces molded in plastic fundamentally based on various dihedral series derived from the cubic form, comprising a simple square flat series, another flat rectangular or double; a simple angular of square sides; another double angular with rectangular sides; a simple and cubic fundamental; and another double parallelepiped. (Machine-translation by Google Translate, not legally binding)
ES0039519U1953-12-101953-12-10
Game for children's constructions
ExpiredES39519Y
(en)