ES136641A2 - Perfeccionamientos en las retortas verticales para la carbonizacion de la hulla y analogos, objeto de la patente principal
- Google Patents
Perfeccionamientos en las retortas verticales para la carbonizacion de la hulla y analogos, objeto de la patente principal
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WET S GAS IMPROVEMENT Co
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WET S GAS IMPROVEMENT Co
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Priority to ES0136641ApriorityCriticalpatent/ES136641A2/es
Publication of ES136641A2publicationCriticalpatent/ES136641A2/es
ES0136641A1934-11-301934-11-30Perfeccionamientos en las retortas verticales para la carbonizacion de la hulla y analogos, objeto de la patente principal
ExpiredES136641A2
(es)