U.S. federal trademark · Serial No. 78502639 · Reg. No. 3710550
heat recovery steam generators for the utilization of gas turbine heat; heat exchangers for heat recovery from manufacturing processes in the chemical, petrochemical, metallurgical and glass industry and for heat recovery in power stations; heat exchangers for air or fuel preheating; heat exchangers for recovery of gas turbine waste heat; high-temperature preheaters for air, gaseous and liquid substances for chemical and metallurgical manufacturing processes and glass manufacture; recuperators for use in the metallurgical industry, on melting furnaces of mineral wool production, chemical or petrochemical manufacturing processes
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