ES140348A2 - PERFECCIONAMIENTOS EN LAS RETORTAS VERTICALES PARA LA CARBONIZACIoN DE LA HULLA Y ANáLOGOS, OBJETO DE LA PATENTE PRINCIPAL
- Google Patents
PERFECCIONAMIENTOS EN LAS RETORTAS VERTICALES PARA LA CARBONIZACIoN DE LA HULLA Y ANáLOGOS, OBJETO DE LA PATENTE PRINCIPAL
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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wests Gas Improvement Co Ltd
Original Assignee
Wests Gas Improvement Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wests Gas Improvement Co LtdfiledCriticalWests Gas Improvement Co Ltd
Priority to ES0140348ApriorityCriticalpatent/ES140348A2/es
Publication of ES140348A2publicationCriticalpatent/ES140348A2/es
ES0140348A1935-11-141935-11-14PERFECCIONAMIENTOS EN LAS RETORTAS VERTICALES PARA LA CARBONIZACIoN DE LA HULLA Y ANáLOGOS, OBJETO DE LA PATENTE PRINCIPAL
ExpiredES140348A2
(es)