[Class : 7] Turbines (With The Exception Of Turbines For Land Vehicles) And Turbo Machines; Parts Of The Afore Mentioned Machines (As Far As Included In Class 7), In Particular Casings, Bearing Casings, Gaskets, Blades, Rotating Blades, Guide Blades, Blade Carriers, Rotors, Rotating Blade Carriers, Guide Blade Carriers, Shroud Bands, Blade Fasteners, Condensation Plants[Class : 37] Repair Services, Namely, Repair, Upkeep And Maintenance Of Turbines, Turbo Machines And Parts Thereof Included In Class 7; Installation Of Turbines, Turbo Machines And Parts Thereof Included In Class 7; Conducting Of Performance Enhancing Alterations For The Purpose Of Modernisation Of Turbines, Turbo Machines And Mechanical Power Generation Plants Included In Class 7