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GUSTAVO
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GUSTAVO
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Application filed by GUSTAVOfiledCriticalGUSTAVO
Priority to ES0050605UpriorityCriticalpatent/ES50605U/es
Publication of ES50605UpublicationCriticalpatent/ES50605U/es
Pito perfeccionado, comprendiendo un elemento tubular dispuesto adecuadamente para su finalidad sonora, caracterizado por establecerse longitudinalmente una prolongación cilíndrica en la que actúa un émbolo accionable manualmente a modo de constituir una caja de resonancia de tono variable según las diferentes posiciones de dicho émbolo que amplían o reducen la capacidad de la referida caja.