Class 007
Machinery Products
Gas supply equipment (gas generators) for metal working machines and tools; heat treatment apparatus (welding and soldering machines and tools) for metalworking machines and tools; gas supply equipment for metal powder used for metal processing; washing apparatus; valves.
Class 009
Computer & Software Products & Electrical & Scientific Products
Fire alarms; gas alarms; anti-theft warning apparatus; gas sensors; gasometers [measuring instruments]; gas pressure indicators; gas meters; gas testing instruments; gas flow meters; rotary gas meters.
Class 011
Environmental Control Instrument Products (lighting,heating,cooling,cooking)
Gas automatic switching device for multiple gas containers supplied for use in metalworking machines; gas purifier for metalworking machines and tools.
Class 042
Computer & Software Services & Scientific Services
Research on building construction or city planning; testing or research on prevention of pollution; testing or research on electricity; testing or research on civil engineering.