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Individual
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Individual
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Priority to ES0256344ApriorityCriticalpatent/ES256344A1/es
Publication of ES256344A1publicationCriticalpatent/ES256344A1/es
Perfeccionamientos en la fabricación de niveles de aire, caracterizados porque el tubo de aire dispuesto para la fijación de bases horizontales, está controlado por otro tubo de aire, dispuesto en sentido opuesto al primero, que asegura la precisión técnica del nivelado de bases horizontales.
ES0256344A1960-03-081960-03-08Perfeccionamientos en la fabricaciën de niveles de aire
ExpiredES256344A1
(es)