U.S. federal trademark · Serial No. 73191227 · Reg. No. 880
INSULATING REFRACTORY BOARDS FOR LINING OF TUNDISHES, REFRACTORY JOINTING MASS FOR FILLING THE GAPS BETWEEN THE LINING BOARDS IN A TUNDISH, AND REFRACTORY RAMMING MASS FOR FITTING OF NOZZLES IN A TUNDISH
INSULATING AND SOMETIMES INSULATING EXOTHERMIC POWDERS FOR COVERING A STEEL-BATH IN A TUNDISH
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