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XANXO DOMENECH FIDEL
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XANXO DOMENECH FIDEL
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Priority to ES0031587UpriorityCriticalpatent/ES31587U/es
Publication of ES31587UpublicationCriticalpatent/ES31587U/es
Dispositivo constituido por un silbato que además de los orificios de soplado y salida de aire, presenta un agujero al que puede aplicarse el extremo de un lápiz y que constituye la boca de un elemento afilalápices que queda al interior del silbato, formando el todo un cuerpo u objeto único, de doble utilidad, la específica de un silbato y la específica de un afilalápices.