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Individual
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Individual
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Priority to ES104975ApriorityCriticalpatent/ES104975A1/es
Publication of ES104975A1publicationCriticalpatent/ES104975A1/es
ES104975A1927-11-051927-11-05Perfeccionamientos en aleaciones metálicas y su aplicación a conductores telegráficos y telefónicos.
ExpiredES104975A1
(es)