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ES0006737U1941-08-131941-08-13Frascos o recipientes con un segundo orificio cubierto con una membrana que actúa de bomba para la salida del líquido.
ExpiredES6737Y
(es)
Unos perfeccionamientos en las instalaciones para llenar botellas y envases con líquidos en general, y particularmente indicados para las que se utilizan en perfumería
Un tapón automático de metal, con precinto, que adaptado al cuello de una botella u otro recipiente permite la salida del líquido que contenga e impide la entrada de otro cualquiera.