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Individual
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Individual
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Priority to ES1851000568ApriorityCriticalpatent/ES568H3/es
Publication of ES568H3publicationCriticalpatent/ES568H3/es
ES1851000568A1851-08-211851-08-21Sistema perfeccionado de carbonizacion de la hulla, usando sus productos en alumbrado y regularizacion de su corriente.
ExpiredES568H3
(es)