Nozzles of metal; Valve assemblies of metal (other than parts of machines); Valve bodies of metal (other than parts of machines); Valves of metal (other than parts of machines); Valves of metal for industrial installations (other than parts of machines); Metal tanks (containers); Storage tanks of metal; Tanks (containers) of metal; Tanks (structures) of metal; Tanks of metal

Air filtration machines; Filtration apparatus for industrial purposes; Filtration machines; Air switching valves; Compressed air switch valves; Control valves (parts of machines); Control valves being pneumatic apparatus; Electromagnetic valves; Pneumatic control gear for valves; Pneumatic control valves; Pneumatic controls for automatically operating valves; Pneumatically operable valves; Pressure control valves being parts of machines; Pressure valves (parts of machines); Valves (parts of machines); Valves for compressors; Valves of metal (electrically operated); Valves of metal (parts of machines); Valves of metal for industrial installations (parts of machines); Valves operated automatically by pneumatic control; Valves operated by changes in pressure; Spray nozzles being parts of machines; Industrial process controllers (pneumatic); Valve diaphragms