OF DE reassignment DRAVO ENGINEERING COMPANIES, INC., A CORP. 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 C Freeberg, A Ganss, S Ganss filed Critical C Freeberg Priority to US9410170A priority Critical Application granted granted Critical Publication of US3746325A publication Critical patent/US3746325A/en Assigned to DRAVO ENGINEERING COMPANIES, INC., A CORP. Original Assignee C Freeberg A Ganss S Ganss 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 or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number Inventor C Freeberg A Ganss S Ganss Current Assignee (The listed assignees may be inaccurate.
#Metal refinery oxygen not included pdf#
Google Patents Basic oxygen steel making facility and method of oxygen refining of steelĭownload PDF Info Publication number US3746325A US3746325A US3746325DA US3746325A US 3746325 A US3746325 A US 3746325A US 3746325D A US3746325D A US 3746325DA US 3746325 A US3746325 A US 3746325A Authority US United States Prior art keywords furnace aisle blowing station tracks Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
Google Patents US3746325A - Basic oxygen steel making facility and method of oxygen refining of steel US3746325A - Basic oxygen steel making facility and method of oxygen refining of steel
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