7
Electric welding machines; gas-operated soldering apparatus, gas-operated welding apparatus; parts of machines, namely, valves, pressure valves, regulators, pressure regulators, knives; gas-operated soldering blow pipes; gas-operated soldering irons; superheaters; gas-operated cutting blow pipes
9
Apparatus for sealing plastics packaging; electric arc cutting apparatus; electric arc welding apparatus; electric welding apparatus; electric soldering irons; boiler control devices; solderers' helmets; welding electrodes
11
Burners; acetylene burners; gas burners; burners for lamps; acetylene generators; brackets for gas burners; scrubbers; heating elements
35
Import-export agencies; shop window dressing; sales promotion for others; procurement services for others, retail and wholesale services relating to gas-operated welding apparatus, gas-operated soldering apparatus, electric welding apparatus, electric arc welding machines, and metal cutting machines operating by electric arc, gas or plasma; all of the aforementioned services in relation to electric and gas-operated soldering and welding
37
Repair, installation and maintenance of gas-operated welding apparatus, gas-operated soldering apparatus, electric welding apparatus, electric arc welding machines; all of the aforementioned services in relation to electric and gas-operated soldering and welding
42
Scientific and technological research, including relating to gas-operated welding apparatus; technical project studies; engineering; mechanical research; physics research; materials testing/control; research and development for others in the field of gas-operated welding; technical research; calibration; quality control; surveying; all of the aforementioned services in relation to electric and gas-operated soldering and welding