U.S. federal trademark · Serial No. 73771562 · Reg. No. 1548322
FURNACE REFRACTORY MATERIAL, NAMELY NITRIDE BONDED SILICON BRICKS, THERMOCOUPLE PROTECTION TUBES, HEATER TUBES, TILES, POURING TUBES AND SPECIAL REFRACTORY SHAPES, FOR USE IN THE VARIOUS SEGMENTS OF THE FOUNDRY INDUSTRY
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