73744124
Aug 4, 1988
Oct 22, 1991
EQUIPMENT FOR USE IN A PLANT FOR THE REDUCTION OF IRON OXIDE TO FORM IRON; NAMELY, A FURNACE AND ASSOCIATED EQUIPMENT FOR SMELTING IRON OXIDES; NAMELY, TUYERES FOR INJECTING OXYGEN-CONTAINING GASSES, CARBONACIOUS MATERIAL AND/OR IRON OXIDES INTO THE FURNACE
Environmental Control ApparatusCONSTRUCTION AND MAINTENANCE SERVICES IN CONSTRUCTING A PLANT TO REDUCE IRON OXIDES TO FORM IRON
Building Construction and Repair