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Individual
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Individual
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Priority to ES1872004902ApriorityCriticalpatent/ES4902H1/es
Publication of ES4902H1publicationCriticalpatent/ES4902H1/es
ES1872004902A1872-02-191872-02-19Procedimientos de tratamiento de minerales de hierro, en la fabricacion del acero fundido, y en sus aparatos.
ExpiredES4902H1
(es)