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Industrial Velera Marsal SA
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Industrial Velera Marsal SA
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Application filed by Industrial Velera Marsal SAfiledCriticalIndustrial Velera Marsal SA
Priority to ES1973197788UpriorityCriticalpatent/ES197788Y/es
Publication of ES197788UpublicationCriticalpatent/ES197788U/es
Application grantedgrantedCritical
Publication of ES197788YpublicationCriticalpatent/ES197788Y/es
Bocina portátil, caracterizada esencialmente por el hecho de que consta de un dispositivo sonoro por vibración mediante gas a presión, dotado de un manguito exterior que comunica con la cámara de vibración y con medios de acoplamiento estanco de una boquilla de salida de una botella que contiene gas a presión, provista de la oportuna válvula de cierre automático, la cual es accionada mediante un dispositivo pulsador montado en el propio dispositivo sonoro.