90157567
Sep 3, 2020
Heat transfer products being metal tubes for use in the petroleum, chemical, gas processing, power and refinery industries and replacement parts therefor; Enhanced heat transfer tubes being metal tubes for high performance heat exchangers
Metal GoodsHeat transfer products being tubes for shell and tube heat exchangers for use in the petroleum, chemical, gas processing, power and refinery industries and replacement parts therefor
MachineryHeat transfer products being tubes for shell and tube heat exchangers for use in the petroleum, chemical, gas processing, power and refinery industries and replacement parts therefor; Enhanced heat transfer tubes being tubes for shell and tube heat exchangers for high performance heat exchangers
Environmental Control Apparatus