Furnace burners for liquid fuel, for pulverised solid fuel or for gas; mechanical stokers, including their mechanical grates, mechanical ash dischargers and similar appliances
Furnace burners for liquid fuel
Mechanical stokers, incl. their mechanical grates, mechanical ash dischargers and similar appliances (excl. burners)
Furnace burners for pulverised solid fuel or gas, incl. combination burners
Parts of furnace burners such as mechanical stokers, incl. their mechanical grates, mechanical ash dischargers and similar appliances, n.e.s.