[Class : 7] Machines For Production, Processing, Storage, Conditioning, Distribution And Supply Of Gas, Natural Gas, Biomethane, Biogas, Bio Ngv (Biofuel) From Biogas, And All Types Of Energy, Including Solar Energy; Machines For Liquefying, Cooling And Compressing Gases; Pressure Regulators For Gas Installations.[Class : 11] Combustion Installations For Biofuels; Gas Scrubbers [Parts Of Gas Installations]; Cooling And Drying Installations For Gases; Gas Cleaners And Purifiers; 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; Waste Purification Installations; Apparatus And Installations For Storage, Treatment And Conditioning Of Natural Gas, Liquefied Gas And Derived Products In Gas, Liquid, Solid Or Gaseous Form.