U.S. federal trademark · Serial No. 78916572 · Reg. No. 3359702
Machines for spraying refractory materials; machines for introducing metallurgical lances into furnaces and ladles; machines for placing slag retaining devices in metallurgical furnaces; machine parts, namely metallurgical lances for injecting gas or particulate material into a metallurgical furnace or ladle, refractory slag retaining devices for metallurgical furnaces and dartheads
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