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Individual
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Individual
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Priority to ES220044ApriorityCriticalpatent/ES220044A1/es
Publication of ES220044A1publicationCriticalpatent/ES220044A1/es
PERFECCIONAMIENTOS EN LAS UNIONES FLEXIBLES PARA PERFILES ALOJADOS UNOS EN OTROS EN EL MISMO SENTIDO, PREFERENTEMENTE A MODO DE HIERROS ZORÉS, Y ESPECIALMENTE PARA EL REVESTIMIENTO DE GALERiAS EN EL SERVICIO MINERO