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Individual
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Individual
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Priority to ES132977ApriorityCriticalpatent/ES132977A1/es
Publication of ES132977A1publicationCriticalpatent/ES132977A1/es
ES132977A1933-12-261933-12-26Un procedimiento para la producción de metales y aleaciones al carbono, con un contenido muy pequeño de carbono.
ExpiredES132977A1
(es)