75544769
Aug 31, 1998
Aug 1, 2000
industrial ceramic silicon carbide refractory furnace parts, namely, boats, saggars, crucibles, tubes, nozzles, plates, beams, rods, rollers, and bats
Environmental Control Apparatusindustrial ceramic silicon carbide refractory parts for use as kiln furniture in furnaces and kilns, namely, boats, saggars, crucibles, tubes, nozzles, plates, beams, rods, rollers, and bats
Nonmetallic Building Materials