U.S. federal trademark · Serial No. 71637607 · Reg. No. 0605112
HEAT REFRACTORY PRODUCTS FOR LABORATORY USE-NAMELY, REFRACTORY BRICKS, PLATES, TUBES, RODS, CORES, MUFFLES, CRUCIBLES, CAPSULES, COMBUSTION BOATS, DISHES, CATALYST SUPPORTS, AND HEAT EXCHANGE PEBBLES
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