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Individual
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Priority to ES0053570UpriorityCriticalpatent/ES53570U/es
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MARCOS DE CHAPA PARA PUERTAS Y VENTANAS, caracterizados por que se fabrican a base de cuerpos formados por una chapa a la que se hacen dobles longitudinales, cuya sección es una línea quebrada y se provee a los lados, en su parte inferior, de dos pletinas o perfiles, que, con sus muescas, se introducen en ranuras inferiores del marco.
ES0053570U1956-04-071956-04-07Marcos de chapa para puertas y ventanas
PendingES53570U
(es)