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Individual
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Priority to ES14786ApriorityCriticalpatent/ES14786A2/es
Publication of ES14786A2publicationCriticalpatent/ES14786A2/es
ES14786A1893-06-301893-06-30Un procedimiento para la carbonización de materias vegetales en receptáculo o vasija abierta en su extremo superior.
ExpiredES14786A2
(es)