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.)
H C Bull And Co Ltd
Original Assignee
H C Bull And 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 H C Bull And Co LtdfiledCriticalH C Bull And Co Ltd
Priority to ES8568ApriorityCriticalpatent/ES8568A1/es
Publication of ES8568A1publicationCriticalpatent/ES8568A1/es
Perfeccionamientos introducidos en la extracción o separación de los metales de los minerales simples, compuestos o refractarios gangas y compuestos metálicos de cualquier clase.