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 ES1860002097ApriorityCriticalpatent/ES2097H1/es
Publication of ES2097H1publicationCriticalpatent/ES2097H1/es
ES1860002097A1860-07-101860-07-10Procedimiento para extraer el betun de las rocas asfalticas y de los minerales asfalticos y bituminosos
ExpiredES2097H1
(es)