Apparatus for use in igniting gas burners; Electric apparatus for remote ignition; Electric ignition apparatus for gas fired appliances; Electric ignition apparatus for liquid fuel burning equipment; Electric igniting apparatus for igniting at a distance; Electrical ignition apparatus for gas fired appliances; Electrical ignition apparatus for liquid fuel burning apparatus; Electronic ballasts for electronically activated ignition apparatus; Igniting apparatus, electric, for igniting at a distance; Apparatus controlled by computers for analysing samples; Apparatus for analysis (other than for medical use); X-ray apparatus for industrial purposes; Apparatus and installations for the production of X-rays, not for medical purposes; X-ray apparatus not for medical purposes; X-ray analysers (other than for medical use); Electric ignition devices for igniting at a distance; Ignition systems, electric, for igniting at a distance

Gas burners; Burners for industrial use; Burner control apparatus; Burners for solid fuel; Fuel burners; Regulating apparatus being parts of gas burners; Igniting apparatus; Ignition apparatus for gas fires; Pilot lights for igniting gas fired apparatus; Solid fuel ignition apparatus; Fixed pre-heating burners; Burners for the combustion of oil in boiler units; Oil burners; Regulating apparatus being parts of oil burners; Ring burners; Combustion apparatus