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Priority to ES0049793UpriorityCriticalpatent/ES49793Y/es
Publication of ES49793UpublicationCriticalpatent/ES49793U/es
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Publication of ES49793YpublicationCriticalpatent/ES49793Y/es
Especie de boca o grifo de plástico u otro material lo bastante resistente que se estrecha en su parte superior o cabeza en uno de cuyos extremos hay un orificio destinado a verter el líquido y en su parte inferior tiene incrustada una cuchilla de forma triangular afilada en sus bordes capaz de perforar recipientes de metal, cartón o materias plásticas, por la presión de la mano.
ES0049793U1955-08-291955-08-29Abridor-vertedor de recipientes para líquidos y semisólidos
ExpiredES49793Y
(es)
Lata o bidón para contener líquidos desprovistos de tapón y llevando en su tapa una porción debilitada que pueda perforarse por la presión de un útil adecuado.