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Individual
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Individual
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Priority to ES40217ApriorityCriticalpatent/ES40217A1/es
Publication of ES40217A1publicationCriticalpatent/ES40217A1/es
ES40217A1907-03-021907-03-02Un procedimiento perfeccionado para reducir metales o metaloides de sus combinaciones mediante un horno adecuado.
ExpiredES40217A1
(es)