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Cuello roscado perfeccionado para frascos y cuerpos huecos moldeados similares, caracterizado por que el filete de dicha rosca está interrumpido en dos zonas verticales diametralmente opuestas correspondientes a las líneas de juntura de las dos mitades del molde, de suerte que las rebabas del cuello se producen en dichas zonas de superficie cilíndrica lisa, de la que pueden quitarse fácilmente mediante un cuchillo u otra herramienta sin dañar al filete de la rosca y sin que quede señal alguna.
ES0058346U1956-06-211956-06-21Cuello roscado perfeccionado para frascos y cuerpos huecos moldeados similares
PendingES58346U
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