[Class : 6] Common Metals And Their Alloys, Metal Construction Materials, Metal Transportable Constructions, Metal Pipes, Metal Products Not Comprised In Other Classes, Iron Ore, Metal Pipelines And Conduits, Metal Partitions, Valves Of Metal Conduits, Reinforcing Materials For Metal Conduits, Couplings Of Pipes And Conduits (Metal), Metal Recipients For Pressurized Gas Or For Iron And Steel Materials Or Products, Metal Piping, Metal Pipes, Metal Valves (Other Than Parts Of Machines).[Class : 7] Machines And Machine Tools, Engines (Except Motors For Land Vehicles), Couplings And Transmission Parts (Except For Land Vehicles), Foundry Machines, Apparatuses For The Treatment Of Iron Ore, Industrial Manipulators (Machines), Machines For Working Metals And Dust Emitted By Iron And Steel Plants And Blast Furnaces, Valves (Parts Of Machines), Electromechanical Apparatuses, Valves (Machines), Flow Regulation Apparatuses, Valves (Machines), Aspiration Machines For Industrial Use, Dust Collectors (Machines), Dust Condensers (Machines And Parts Of Machines), Control Cables For Machines Or Motors, Control Devices For Machines Or Motors, Hydraulic Or Pneumatic Controls For Machines, Dust Removal Installations For Iron And Steel Plants And Blast Furnaces, Dust Discharge Apparatuses, Valves For Iron And Steel Plants And Blast Furnaces (Machines), Electromechanical Apparatuses And Valves, Hydraulic Or Pneumatic Devices For The Opening Or Closing Of Electromechanical Valves (Parts Of Machines), Hydraulic Or Pneumatic Devices For The Opening Or Closing Of Valves (Parts Of Machines), Apparatuses, Valves For The Compression, Aspiration And Transport Of Gasses And Dust, Dust Separators (Machines), Ejectors, Compressed Air Pumps, Seals For Electromechanical Valves And Apparatuses (Parts Of Machines).[Class : 42] Scientific Services And Technological Services As Well As Services Of Research And Related Design, Analysis Services And Industrial Research, Construction Consultation, Constructing Drafting, Technical Project Studies, Surveying, Engineering, Mechanical Research, Technical Research, Scientific, Technical And Mechanical Research In Relation With Flow Control Of Liquids, Solids Or Gasses, As Well As In Relation With Iron And Steel.