[Class : 37] Building Construction; Repair; Installation Services; Assembly; Assembly And Construction Of Industrial Installations, Machine Installations And Driving Installations; Installation And Assembly Of Electric Apparatus; Installation And Assembly Of Pipes For Liquid Or Gaseous Media; Maintenance Of Goods And/Or Apparatus For The Electronic And Electrical Industry, For The Precision Engineering Industry And For General Engineering.[Class : 11] Apparatus For Lighting, Heating , Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes; Blast Furnace Installations; Apparatus For Heating, Steam Generating, Ventilating, And Liquid And Gas Supply Purposes For Iron And Steel Installations; Cooling Boxes For Blast Furnaces; Installations And Apparatus For Refrigerating Purposes For Blast Furnace Equipment; Heat Recovery Apparatus; Cowper Stoves And Hot Blast Stoves For Blast Furnaces; Combustion Installations; Dust Exhausting And Removing Installations; Steel Plants; Heat Treatment Installations For Steel Profiles.[Class : 6] Goods Of Common Metal And Their Alloys Not Included In Other Classes, In Particular Buildings Of Metal; Framework Of Metal For Building; Steel Structures; Valves Or Sliding Valves Of Metal; Pipe Valves Of Metal; Reinforcing Materials Of Metal For Pipes; Tanks Of Metal; Manhole Covers Of Metal; Nozzles, In Particular Spreader Nozzles; Gas Nozzles; Blast Nozzles And Slag Notches For Blast Furnaces; Blast Connections For Blast Furnaces; Loading Chutes For Blast Furnaces; Boiler Making.[Class : 42] Scientific And Technological Services And Research And Design Relating Thereto; Industrial Analysis And Research Services; Design And Development Of Computer Hardware And Software; Engineering In The Fields Of Mechanics, Civil Engineering, Fluids, Electronics, Electricity, Automation, Artificial Intelligence And Optimization; Technical And Scientific Calculations Using Computers; Architectural And Technical Drawing Using Computers; Surveying; Technical Design, Development, Consultancy, Assistance, Checking, Coordination And Supervision; Data Processing By Computer; Production Of Computer Programs; Engineering, Physics (Research) And Chemistry Services; Surveying; Services Relating To The Testing Of Metals And Materials, Namely Analysis Of The Mechanical, Physical And Chemical Properties Of Materials In Relation To Activities Within The Field Of Metallurgy; Studies Relating To The Testing Of Metals And Materials; Construction And Building Project Studies ; Technical Consultancy And Surveying; Development And Creation Of Data Processing Programs, In Particular Using Computers, For Others.[Class : 40] Treatment Of Materials, In Particular Anti Abrasion Surfacing; Shot Blasting; Saws; Tracing; Drilling And Oxy Acetylene Cutting; Welding And Abrasion Of Metals; Coppersmithing; Assembly Of Industrial And Electric Machines And Equipment ; Manufacture (Assembly) And Completion Of Mechanical Components And Gears, For Others;[Class : 7] Machines And Installations For The Iron And Steel Industry; Equipment For Blast Furnaces; Loading Devices For Blast Furnace Throats, In Particular Loading Devices For Bell Free Throats; Closing Devices For Blast Furnace Throats; Support, Control And/Or Driving Mechanisms For Loading Devices For Blast Furnace Throats, In Particular Loading Devices For Bell Ree Throats; Equalization Valves For Blast Furnace Installations; Exhaust Valves; Tap Hole Sealing Machines; Tap Hole Drilling Machines; Lubrication Devices; Belts For Conveyors; Installations For Processing And Filtering Slag; Installations For Transporting And Injecting Materials In Powder Form Pneumatically Into A Tank Furnace; Installations For Granulating Slag; Equipment For Steelworks; Installations And Equipment For Ladle Treatment Of Cast Iron And Steel; Continuous Steel Tapping Installations, In Particular Continuous Billet And Steel Ingot Casting; Crushing And Sifting Installations And Equipment; Installations Of Refined Gas Blowing In Steel Converters; Blowing Pippes; Installations And Apparatus For Changing Blowing Pipes; Installations And Equipment For Fitting Refractory Linings On The Inner Walls Of Furnaces; Special Cranes And Roller Bridges For The Iron And Steel Industry[Class : 9] Magnetic Data Carriers, Recording Discs; Calculating Machines, Data Processing Equipment And Computers; Control , Checking, Measuring, Regulating, Weighing And Metering Installations And Apparatus For Blast Furnace Installations And For Iron And Steel Installations; Profilometers; Sounding Installations And Apparatus; Gas Probes; Probes For Samples Of Solid Materials; Mechanical Probes For Blast Furnaces; Mechanical Profilometers.