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Individual
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Individual
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Priority to ES1850000530ApriorityCriticalpatent/ES530H1/es
Publication of ES530H1publicationCriticalpatent/ES530H1/es
ES1850000530A1850-09-301850-09-30Metodo y aparatos (horno etc.) para beneficiar varios minerales, particularmente los argentiferos.
ExpiredES530H1
(es)