[Class : 9] Pneumatic Control Apparatus, Pressure Transducers And Transmitters That Convert Hydraulic Or Pneumatic Pressure Into Analog Electrical Signals For Monitoring And Controlling Hydraulic Or Pneumatic Systems, Pneumatic And Hydraulic Directional Control Valves For Use In Automated Production Machinery, Pressure Switches And Sensors For Monitoring, Controlling, And Switching Hydraulic Or Pneumatic Systems, Pressure Test Connectors For Testing Pressure Of Fluids In Hydraulic Or Pneumatic Systems, Temperature Switches And Sensors For Monitoring, Controlling, And Switching Hydraulic Or Pneumatic Systems, Measuring Couplings For Measuring Temperature, Pressure, Quantity And Concentration Of Fluids In Hydraulic Or Pneumatic Systems, Measuring Hoses For Measuring Temperature, Pressure, Quantity And Concentration Of Fluids In Hydraulic Or Pneumatic Systems.