[ Charging units for rechargeable accumulators; ] electric arc welders not for medical use; laser welding devices not for medical use [ ; electrical welding appliances and electrical cutting torches, namely, tungsten inert gas (TIG) welding units, metal inert gas (MIG) welding guns, metal active gas (MAG) welding torches, fine spot welding apparatus, resistance welding electrodes; welding electrodes, current and voltage converters, in particular for welding apparatus, namely, TIG welding unit...