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Perfeccionamientos introducidos en la fabricación de puertas caracterizada esencialmente por la preparación de marcos o cuadros ligados en sentido vertical por barrajes o tablillasdeterminado un espacio o cámaradisponiéndose zonas de refuerzo y orificios horizontales y verticales que se ajustarán sobre peinazos y barrajes para respiración generalrealizándose así el montaje del enrejado básico.
ES0249499A1959-05-201959-05-20Perfeccionamientos introducidos en la fabricaciën de puertas
ExpiredES249499A1
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