[Class : 7] Machines For Liquefying, Cooling And Compressing Gases; Gas Filtering Machines; Machines For Production, Processing, Storage, Conditioning, Distribution And Supply Of Gas, Biogas And Liquefied Gases; Pressure Regulators For Gas Installations; Pressure Regulators [Parts Of Machines] For Controlling Gas Pressure And Flow.[Class : 11] Apparatus And Instruments For Producing, Storing, Packaging And Distributing Heat From Renewable Sources (Biogas, Biomass, Biofuels, Photovoltaic Solar Energy, Wind Energy); Combustion Installations For Biofuels; Gas Scrubbers [Parts Of Gas Installations]; Cooling And Drying Installations For Gases; Gas Cleaners And Purifiers; Gas Generators; Gas Collection Installations; Gas Drying Devices; Apparatus For Purification Of Combustion Gases; Filters For Gases [Household Or Industrial Installations]; Adjustment And Safety Accessories For Gas Apparatus And Gas Pipes; Temperature Regulators For Gas Installations; Washing Columns For Gas Purification; Waste Purification Installations; Heating Apparatus For Waste Treatment; Apparatus And Instruments For Drying And Purifying Biogas.