[Class : 6] Boarding Aids For Railway Vehicles, In Particular Ramps, Sliding Steps, Folding Steps, Gap Bridging Devices.[Class : 7] Electric And Pneumatic Door Openers And Closers For Vehicle Doors, In Particular Automatically Operated Railway Vehicle Doors; Control Apparatus For Electric And Pneumatic Door Openers And Closers For Vehicle Doors, In Particular Railway Vehicle Doors, And Extendable And Retractable Boarding Aids For Railway Vehicles, In Particular Ramps, Sliding Steps And Folding Steps.[Class : 12] Vehicle Doors, In Particular Automatically Operated Vehicle Doors For Railway Vehicles, In Particular Exterior Doors, Interior Doors, Connecting Doors, Sliding Doors, Driver's Cab Doors, Pivot Sliding Doors, Swing Doors; Trapping Protection Devices Being Parts Of Vehicle Door Systems; Parts For The Aforesaid Goods; In Particular The Aforesaid Goods For Trams And Urban Railways, Underground And Overground Railways, Passenger Coaches And High Speed Trains.[Class : 37] Maintenance And Repair Of Vehicle Door Systems, In Particular Automatically Operated Vehicle Door Systems For Railway Vehicles.