U.S. federal trademark · Serial No. 71571726 · Reg. No. 0528763
[ RAW AND CALCINED DIATOMACEOUS EARTH AND VESICULATED PERLITIC ORES USED FOR HEAT AND SOUND INSULATION, CONCRETE AND PLASTER; FIBERIZED SLAG-NAMELY, ROCK WOOL IN LOOSE AND BATT FORM FOR HEAT INSULATION; ] SHAPED CARBON BODIES FOR REFRACTORIES AND STEEL FURNACE LINING; CARBONACEOUS CEMENTS
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