U.S. federal trademark · Serial No. 73139738 · Reg. No. 1108679
REFRACTORY COMPOSITION USED IN HOT AND COLD GUNNING OF SOAKING PITS, IN-AND-OUT FURNACES, PLATE HEATING FURNACES, CONTINUOUS SLAB HEATING FURNACES, SLAG POCKETS, BULK HEADS, CHECKER CHAMBER BULK HEADS OF OPEN HEARTH FURNACES, CHECKER CHAMBER ARCHES AND SLAG POCKET SIDEWALLS
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