[Class : 11] Installations For The Dissociation, Purification, Washing, Liquefying And Re Evaporation Of Gases, Petroleum, Petroleum Fractions, Refinery Gases, Natural Gas, Installations For Cracking Of Liquid And Gaseous Hydrocarbon Mixtures, Installations For Generating Synthetic Gases And Artificial Natural Gas, Installations For Liquefying Carbon And For Reducing Carbon To Gas, Reactors For Chemical Reactions, Machines For Liquefying Gas And Liquid Gases, Natural And Refinery Gases, Gas Wires;[Class : 37] Construction, Supervision Of Building Work, Repair Services And Maintenance Of Facilities For Use In The Generation, The Refining, The Storage And The Distribution Of Petroleum, Gas, Natural Gas, Refinery Gases, Liquid Gas And Chemicals, Petrochemical Facilities, Chemical Facilities, Supply Networks For Transporting Fuels, Namely, Petroleum, Natural And Refinery Gases, Gas And Liquid Gas Or Rather Combustible Oils, Gas Mixture Of Fuels, Construction, Repair And Maintenance Of Railways, Construction Of Equipment For Environmental Reclamation Of Industrial Places, Construction, Repair And Maintenance Services Of Facilities For The Generation Of Energy;[Class : 42] Scientific And Technological Services, Research And Design Services In These Fields, Engineering Services And Design Services Of Installations For Production, Processing, Storage, Routing And Supplying Of Chemical And Petrochemical Apparatus, Of Oil Or Gas Well And Of Oil Or Gas Fields, Including On Shore, Marine Or Oil Or Gas Wells And Oil Or Gas Fields, Research Services, Engineering And Technical Calculations In The Fields Of Extraction, Production, Refining, Processing Of Petroleum, Natural Gas, Refinery Gases, Gas, Liquid Gas And Chemicals, Development Of Industrial Processes For Processing Petroleum, Natural Gas, Refinery Gases, Gas, Liquid Gas And Chemical, Exploration, Analysis Of Oil And Gas Wells, Consulting, Research And Development Services In Relation To Reclamation Of Waste Areas, Installations And/Or Industrial Processes, Design Services Of Railways, Engineering Services, Design And Development Of Installations, Equipments And Design Of Power Generating Plant, Equipment And Installations;