Centrifuge separators for industrial use; Centrifuges (machines); Decanter centrifuges incorporating screw conveyors; Egg centrifuges; Industrial centrifuges; Milk centrifuges (machines); Filter presses; Air filters being parts of machines; Air filters for engines; Apparatus (machines) for filtering; Candle filters; Drum filters; Filter housings being parts of engines; Filter housings being parts of machines; Filtering machines; Filtering machines used in sewage handling; Filters (parts of machines or engines); Filters being parts of engines for cleaning air; Filters for industrial purposes; Filters for machines; Fuel filters; Grease filters (parts of machines); Liquid filtering apparatus (parts of engines or machines); Machines for water filtering; Mechanical filters for the treatment of water; Oil filtering apparatus for engines; Oil filters for engines; Paper filters (parts of engines); Paper filters (parts of machines); Power filters (machines); Power filters for water purification (machines); Settling filters (machines); Water filtering machines; Densifiers; Pressure reducer valves (parts of machines); Pressure reducers (parts of machines); Speed reducers (mechanical) being parts of machines; Speed reducers (mechanical) for machines, engines and motors; High pressure precision valves of metal (parts of machines, engines or motors); High pressure pumps; High pressure washers; High speed presses; Industrial cleaning machines utilising pressure jets; Machines for the pressing of plastics materials; Mechanical presses (machines) for industrial use; Press tools (parts of machines); Presses (machines for industrial purposes); Pressing machines; Pressure cleaning machines; Pressure control valves being parts of machines; Pressure controllers (regulators) being parts of machines; Pressure controllers (valves) being parts of machines; Pressure transformers; Pressure valves (parts of machines); Pressurising machines for drums; Axial pumps; Apron conveyors; Band conveyors; Belt conveyors; Belts for conveyors; Bucket conveyors; Bucket rails for conveyors; Cable driven conveyor belts; Chain conveyors; Conveyor belts; Conveyor cages; Conveyors (machines); Industrial conveyors; Machines for making conveyor belts; Machines in the nature of conveyors; Materials handling conveyors; Moving belt conveyors; Roller conveyors; Suction conveyors; Supporting elements for conveyors; Transporters (conveyors); Tube conveyors, hydraulic; Vibrating conveyors; Discharging hoppers; Hopper loaders (machines); Hoppers (machines); Hydraulic actuators; Hydraulic control apparatus for engines (other than for vehicles); Hydraulic control apparatus for machines; Hydraulic control systems for engines (other than for vehicles); Hydraulic control systems for machines; Hydraulic control valves; Hydraulic controls for machines, motors and engines; Hydraulic engines and motors; Hydraulic lifting machines; Hydraulic lifts (other than hand operated); Hydraulic machines and apparatus; Hydraulically operated machines; Sliding splines (parts of machines); Sliding splines (parts of water vehicle gearing); Dosing machines (pumps); Dosing valves; Hydraulic valves for dosing; Machines for the dosing of liquid; Machines for the dosing of solid plastics