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Priority to ES0054238UpriorityCriticalpatent/ES54238Y/en
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Publication of ES54238YpublicationCriticalpatent/ES54238Y/en
Infant whistle, characterized essentially by being constituted by the curbstone of a well whose lower part starts slightly inclined upwards the tube that constitutes the whistle proper; This tube is connected to the chamber that forms the curb inside, since it is closed, except for its upper part, which has a hole in its center located just under the windlass that provided with a blade is mounted by its ends in the holes that have the support arms, which start from the top of the rim. (Machine-translation by Google Translate, not legally binding)