Boiler pipe tubes for heating installations; Oil and gas burners for industrial use; Fluidized bed combustion burners; Solid fuel burners; Furnaces for industrial use; Heat exchangers not being parts of machines, for transferring heat between fluid streams; Heating furnaces for industrial purposes; Heating installations for industrial use; Industrial heating installations; Nuclear cogeneration plants; Nuclear fuel and nuclear moderating material installations for processing in the nature of n...

boiler pipe tubes for heating installations; burners for industrial use; fluidized bed combustion burners; fuel burners; furnaces for industrial use; heat exchangers for transferring heat between fluid streams; heating furnaces for industrial purposes; heating installations for industrial use; industrial heaters; nuclear cogeneration plants; nuclear fuel and nuclear moderating material installations for processing; nuclear generators; nuclear power plants; nuclear reactors; reactors being ind...