[Class : 7] Door Closers, Hydraulic, Door Openers, Hydraulic, Hydraulic Controls For Machines, Motors And Engines, Hydraulic Engines And Motors, Hydraulic Turbines, Pneumatic Or Hydraulic Linear Actuators, Other Than For Land Vehicles, Window Closers, Hydraulic, Window Openers, Hydraulic, Dust Exhausting Installations For Cleaning Purposes, Dust Removing Installations For Cleaning Purposes, Air Pumps [Garage Installations], Centrifugal Pumps, Compressed Air Pumps, Hydrogen Dispensing Pumps For Service Stations, Lubricating Pumps, Pumps [Machines], Pumps [Parts Of Machines, Engines Or Motors], Pumps For Heating Installations, Vacuum Pumps [Machines], Fluid Dispensing Machines For Industrial Use, Clack Valves [Parts Of Machines], Pressure Valves [Parts Of Machines], Valves [Parts Of Machines]