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Individual
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Priority to ES1859001897ApriorityCriticalpatent/ES1897H3/es
Publication of ES1897H3publicationCriticalpatent/ES1897H3/es
ES1859001897A1859-05-241859-05-24Sistema para quemar el humo del carbon mineral a fin de facilitar el consumo de este en las locomotoras
ExpiredES1897H3
(es)