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Individual
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Individual
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Priority to ES0006264UpriorityCriticalpatent/ES6264Y/es
Publication of ES6264UpublicationCriticalpatent/ES6264U/es
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Publication of ES6264YpublicationCriticalpatent/ES6264Y/es
Por "Piezas de cerámica para el relleno de forjados sustentadores en las edificaciones" que tienen sección recta transversal enteramente constante y su longitud normal a dicha sección para que resulten manejables.
ES0006264U1941-02-101941-02-10Piezas de cerámica para el relleno de forjados sustentadores en las edificaciones.
ExpiredES6264Y
(es)