U.S. federal trademark · Serial No. 73053141 · Reg. No. 811037
ANODES AND CATHODES OF CARBON MATERIAL FOR USE IN CONNECTION WITH ELECTROLYSIS APPARATUS, AND ELECTRODES FOR USE IN ELECTRICAL FURNACES, CHEMICAL ENGINEERING, THE NUCLEAR INDUSTRY AND MOULDS
REFRACTORY BLOCKS OF CARBON MATERIAL FOR USE IN FURNACES
AMORPHOUS CARBON AND GRAPHITE FOR USE IN IRON AND STEEL METALLURGY, AND GRAPHITE FOR USE IN THE QUARTZ INDUSTRY
PASTES, PUDDLED CLAYS AND PISES (LINING MATERIALS) OF CARBON MATERIAL FOR USE IN FURNACES AND USE IN ELECTROLYSIS AND ELECTROTHERMY APPARATUS
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