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.)
OMER DELFOSSE
Original Assignee
OMER DELFOSSE
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 OMER DELFOSSEfiledCriticalOMER DELFOSSE
Application grantedgrantedCritical
Publication of FR439003ApublicationCriticalpatent/FR439003A/fr
Procédé de fabrication électrométallurgique des ferro-chromes et chrome industriellement purs, et autres métaux, en partant de scories métallurgiques correspondantes, exemptes de fer
Perfectionnements apportés à la fabrication des briques, blocs, tuyères et autres pièces réfractaires analogues employées dans la construction des fours servant à la fusion des métaux et à d'autres usages