[Class : 9] Rotary Gas Meters, Meters For Measuring Gaseous Flow, Gasometers, Gasoline Gauges, Gasifiers For Laboratory Use, Gas Testing Instruments, Gas Sensors, Gas Meters, Gas Leak Alarms, Gas Leak Alarm Systems, Gas Generating Apparatus For Calibration Purposes, Gas Flow Monitors, Gas Fired Furnaces For Laboratory Use, Gas Detectors, Gas Detection Systems, Gas Chromatography Apparatus For Laboratory Use, Gas Analysis Apparatus, Gas Alarms, Exhaust Gas Temperature Gauges, Exhaust Gas Analyzers, Electronic Apparatus For Controlling The Pressure And Flow Of Gases, Devices For Generating Gas For Calibration Purposes, Control Valves For Regulating The Flow Of Gasses And Liquids [Solenoid Valves], Ballasts For Gas Discharge Lamps, Apparatus For Generating Gas For Calibration Purposes, Apparatus For Analysing Gases