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Individual
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Individual
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Priority to ES62052ApriorityCriticalpatent/ES62052A1/es
Publication of ES62052A1publicationCriticalpatent/ES62052A1/es
ES62052A1916-04-081916-04-08Mejoras en la concentración diferencial por flotación de los minerales sulfurados y de los productos minerales brutos.
ExpiredES62052A1
(es)