Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES43423ApriorityCriticalpatent/ES43423A1/es
Publication of ES43423A1publicationCriticalpatent/ES43423A1/es
ES43423A1908-06-101908-06-10Mejoras en el método de extraer cobre de los minerales naturales o de las substancias que los contengan.
ExpiredES43423A1
(es)
Mejoras en los procedimientos de extracción de los metales y metaloides de los minerales o tierras que los contengan o de los compuestos en que están contenidos.