7
Installations, equipment and machinery for the metallurgy industry, namely, heating and heat treatment furnaces; components of heating and heat treatment furnaces, namely, burners and combustion controls for optimizing heating and reducing pollutant emissions; charging and discharging machines; charge support and movement machines comprising rollers, beams and riders for the process control of furnaces
11
Furnaces, and heaters for heat treatment, calcinations, firing, direct reduction of products and materials for the metallurgical industry; burners for furnaces
37
[ Installation, servicing and repair services of machinery for the metallurgical industry; maintenance services as regards thermal processing equipment for the metallurgical industry ]
42
[ Engineering project design services for processes, equipment and installations for metal processing; engineering project design services for furnaces, burners for furnaces, processes and equipment for the heating, heat treatment, calcination, firing, direct reduction of products and materials for the metallurgical industry; engineering project design services in connection with improving and adapting thermal processes for the metallurgical industry ]
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