Apparatus for electric welding; apparatus for mechanised welding (other than electric); apparatus for the welding of materials; arc welding apparatus; arc welding electrodes; autogenous welding apparatus (gas operated); autogenous welding machines; consumable electrodes for use in welding; electric arc welding apparatus; electric hot plate welding apparatus; electric machines for incandescent welding; electric machines for resistance welding; electric machines for spark welding; electric radiator welding machines; electric resistance welding apparatus; electric resistance welding machines; electric track welding machines; electric welding apparatus; electric welding guns; electric welding instruments; electric welding machines; electric welding torches; electric wire welding apparatus, other than machines; electrical arc welding apparatus; electrical arc welding heads; electrical welding apparatus; electrical welding instruments; electrode or filler wire feeders (parts of electric arc welding apparatus); electrodes for arc welding; electrodes for electric welding; electrodes for welding; electrodes for welding machines; electrofusion welding apparatus (other than machines); electrofusion welding machines; finished welding tips; gas welding apparatus; gas welding machines; high frequency welding machines; hot air welding machines; laser welding apparatus; machines for resistance welding (gas operated); machines for welding (electric); machines for welding (gas); machines for welding corners on pvc window frames; metal welding apparatus (electric); metal welding apparatus (gas); metal welding machines (electric); metal welding machines (gas); non-autogenous electric welding apparatus; plasma welding apparatus (gas-operated); plasma welding machines; plastics welding machines; regulators for use in welding machines; resistance welding apparatus; robotic electric welding machines; robotic electrical welding apparatus; robots for welding; single column welding presses; spot welding apparatus (electric); spot welding machines; thermal contact welding machines; thermal impulse welding machines; tubular welding electrodes (electric); ultrasonic welding apparatus for plastics assembly; ultrasonic welding heads; ultrasonic welding machines; welding apparatus for tig welding (gas-operated); welding apparatus operated by compressed air; welding apparatus operated by gas; welding apparatus operated by oxyacetylene; welding apparatus, electric; welding apparatus, gas-operated; welding current generators; welding electrodes; welding machines for thermoplastic tubes; welding machines for use in the jewellery trade; welding machines for welding plastics material; welding machines, electric; welding torches (electric); welding torches (gas-operated); wire welding machines