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Individual
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Individual
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Priority to ES0037377UpriorityCriticalpatent/ES37377U/en
Publication of ES37377UpublicationCriticalpatent/ES37377U/en
A new puzzle, characterized in that it consists essentially of fourteen different cuts, of thin paper or cardboard, composed of complete black and white squares, of irregular number and composition, corresponding to a chessboard, and arranged in such a way that, By assembling them conveniently, they cover the sixty-four frames of the aforementioned board. (Machine-translation by Google Translate, not legally binding)
ES0037377U1953-07-271953-07-27Mobile wheel for radial fan (Machine-translation by Google Translate, not legally binding)
PendingES37377U
(en)