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 ES20723ApriorityCriticalpatent/ES20723A1/es
Publication of ES20723A1publicationCriticalpatent/ES20723A1/es
ES20723A1897-04-171897-04-17Un procedimiento para la fabricación de carbón de madera o sus desperdicios, de turba y de otras materias apropiadas.
ExpiredES20723A1
(es)