[Class : 7] Actuators For Valves; Air Switching Valves Being Parts Of Machines; Apparatus (Machines) For Filtering; Apparatus (Machines) For Filtering Gases; Apparatus For Compressing Natural Gas; Apparatus For Filling Gas In Bottles; Apparatus For Filling Gas In Containers; Apparatus For The Compression Of Gas; Fluid Pressure Flow Control Valves; Gas Operated Apparatus For Cutting; Gas Torches (Tools); Gas Welding Apparatus; Gas Welding Machines; Metal Welding Apparatus (Gas); Pressure Regulators (Parts Of Machines); Pressure Valves (Parts Of Machines); Process Control Apparatus (Pneumatic); Regulators For Use In Welding Machines; Stainless Steel Pipe Fittings (Parts Of Machines); Valves (Parts Of Machines).[Class : 11] Gas Regulators; Safety Valves For Gas Pipes; Stop Valves For Regulating Gas; Safety Valves For Gas Apparatus; Pressure Controllers (Regulators) For Gas Pipes; Stop Valves Being Safety Apparatus For Gas Pipes; Pressure Controllers (Regulators) For Gas Apparatus; Stop Valves Being Safety Apparatus For Gas Apparatus; Pressure Relief Valves (Safety Apparatus) For Gas Pipes; Pressure Relief Valves (Safety Apparatus) For Gas Apparatus.