U.S. federal trademark · Serial No. 73638535
SHAPED REFRACTORY ARTICLES OF CONCRETE OR REFRACTORY MATERIAL AND REFRACTORY CEMENTS FOR USE IN MACHINES AND APPARATUS FOR INTRODUCING TREATMENT SUBSTANCES INTO HIGH TEMPERATURE LIQUIDS, MELTS OR INTO MOLTEN METALS
MACHINES FOR INTRODUCING TREATMENT SUBSTANCES INTO HIGH TEMPERATURE LIQUIDS, MELTS OR INTO MOLTEN METALS AND PARTS AND FITTINGS THEREFOR
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