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Priority to ES1968137198UpriorityCriticalpatent/ES137198Y/en
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Publication of ES137198YpublicationCriticalpatent/ES137198Y/en
Improved football characterized in that, essentially, it presents in the hole of the goals it comprises, a switch operable by the impact of the ball, so that when receiving the action of the latter, said switch produces the closing of an electric circuit determining the ignition from a side lamp to the goal combined with the operation of a sound emitting device. (Machine-translation by Google Translate, not legally binding)