U.S. federal trademark · Serial No. 74350471 · Reg. No. 92/429447
apparatus and parts for the production, storage and supply of gases for use in foundry furnaces including electric arc furnaces, oxy-fuel burners and gas injectors for use in foundry furnaces including electric arc furnaces
apparatus, devices and parts for sampling, analysis and control of fumes and combustible gases from electrical arc furnaces; and flow and pressure control devices for controlling operation of oxy-fuel burners and gas injectors
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