[Class : 6] Rails Of Metal, Railway Points, Railway Sleepers Of Metal, Railway Switches And Materials Of Metal For Railway Tracks, Rail Fastening Systems, Channel Sleepers, And Bridge Girders;[Class : 7] Rail Laying Machine And Railroad Constructing Machine.[Class : 16] Printed Matters, Stationery, Office Requisites, Plastic Material For Packaging, Papaer, Cardboard And Goods Made From These Materials Not Included In Other Classes And Printing Blocks.[Class : 17] Railway Tracks Insulated For And Insulation Materials.[Class : 37] Installation Services.[Class : 42] Flash Butt Welding Of Rails For Making Continuous Welded Rails Or Long Welded Rails, Warranty Maintenance Of All Products Supplied I.E. Services That Can Not Be Classified In Any Other Classes.