1
Gases for industrial, general technical, leisure and commercial purposes, in particular compressed gases and gas mixtures and gases in liquefied or dissolved form; Chemical products and liquids, in particular refrigerants, Coolants, liquids proper for cooling purposes, cryogenic liquid gases; Chemical agents for welding technology and soldering technology, in particular anti-spray agents and brazing fluxes
7
Machines and mechanical apparatus, included in class 7, namely those for autogenous welding and cutting, arc welding and torch cutting, brazing and joining of metals; valves for use as parts of these machines; cutting and abrasion machines and parts of such machines; electrodes and wires for electric arc welding
9
Measuring, signalling, regulating and controlling apparatus and instruments for gases; protective clothing for protection against accidents in an industrial environment; Welding gloves; Welding helmets and welding masks
11
Apparatus for steam generation and gas preparation; gas generators and apparatus for producing process gas from gases stored as cryogenic liquid; Gas regulators, gas regulation systems and gas panels; regulating and safety accessories for gas supply apparatus and gas pipes in general, in particular measuring, switching, regulating, pressure adjustment and safety components; burners and burner tool kits