11
Combustion equipment and furnaces for metallurgical industry, namely burners for oxyfuel combustion; production, distribution and cleaning plants for gas and gas mixtures for metallurgical industry for the purposes of inerting, testing the atmosphere, refining and oxyfuel combustion
40
Treatment services for production in the metallurgical industry, namely, metal treatment services featuring processes for oxyfuel combustion, inerting, testing the atmosphere, and refining
42
Research, engineering and consulting services regarding the utilization of gas and gas mixtures for production of metals in connection with inerting, testing the atmosphere, refining and oxyfuel combustion; consulting services in the field of design and development of engineering processes, namely, industrial process design and engineering services for third parties in the field of metallurgy
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