U.S. federal trademark · Serial No. 85415979
Metal carbide; chemical compound made by reacting metal with carbon for making calcium carbide; calcium carbide; chemical compound made by a fabrication process reacting calcium metal with carbon at a room temperature and at elevated temperatures, used for making calcium carbide; metal carbide used for making machining tools; metal carbide for use in energy generation processes; metal carbide for use in steel foundries for manufacturing
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