Oil burners, gas burners, steam generators, air heaters, air conditioning installations, and parts and accessories for the aforementioned goods being goods included in this class.

Electric motors other than for vehicles, centrifugal blowers, rotary pumps, propeller blowers, circulating pumps for central heating installations and parts and accessories for the aforementioned goods being goods included in this class

Oil burners, gas burners, steam generators, air heaters, air conditioning installations, and parts and accessories for the aforementioned goods being goods included in this class.

Oil burners and burners for town gas and natural gas; regulating and control means for burners; and parts therefor